9,261 Answered Questions for the topic trigonometry

02/27/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Trigonometry

02/26/24

Trig quadratics
Find all solutions of 2sin^ x + cos x - 2 = 0, where x is greater than or equal to 0 and less than or equal to 2pi
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02/26/24

helpppp! calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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02/26/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Trigonometry Math

02/25/24

Cosine Rule trigonometry Question
Do the following question twice, once using Pythagoras and the cosine rule and once using right triangle trigonometry.Find, to the nearest degree, the size of the largest of the 3 angles of ΔABC... more
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Trigonometry

02/23/24

If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x
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Trigonometry

02/21/24

find all solutions
Find all solutions exactly on the interval 0 ≤ θ < 2 ⁢ πcos^2(0)-2=0
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Trigonometry

02/20/24

For positive acute angles A and B, it is known that cosA= 29/21 and tanB= 40/9 ​ . Find the value of (A+B) in simplest form.
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Trigonometry

02/20/24

For positive acute angles A and B, it is known that sinA= 8/17 and tanB= 40/9 ​ . Find the value of sin(A+B) in simplest form.
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Trigonometry Math Precalculus

02/15/24

How many seconds of the ride (1 full revolution) are spent higher than 12 meters above the ground?
A Ferris wheel is 10 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform.The function... more
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Trigonometry Math Calculus Precalculus

02/12/24

calulus help plz
) Find all the real values of a and b such that the function f(x)=\ [[(sin^2 (2x))/(a * x ^ 2), ifx > 0], [b, ifx = 0], [arctan(1/(x ^ 2)), ifx < 0]] is continuous.
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Trigonometry Math Calculus Precalculus

02/12/24

Calculus help!!
A certain differentiable function / has a tangent line y = pi/2 * x - pi/2 at the point on its graph where x = 1 If g is another function defined by g(x)= sin(3f(x)) +( tilde f (x))^ 2 ] what is... more
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Trigonometry Math Calculus Precalculus

02/12/24

help out :) calculus
Use the implicit differentiation method to find the equation of the line that is tangent to the curve c ^ (- (x ^ 2 + y)) = x + y + 1 at the point P(1, 1).
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Trigonometry Math Calculus Precalculus

02/12/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Expert Answers •2
Trigonometry Math Calculus Precalculus

02/12/24

help with this calc question plz :)
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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Expert Answers •2
Trigonometry Geometry

02/06/24

Two fire towers are 40 kilometers apart. Tower B is due east of tower A.

FULL QUESTION: Two fire towers are 40 kilometers apart. Tower B is due east of tower A. A fire is spotted from both towers. From tower A the fire is E 21 N and from tower B the fire is W 38 N. Find... more
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02/06/24

Graph help for tranfromation, reflection stuff. PLease help out :)
a graph of f(x)=1/4|cos(pi(x-1/2))-3| Can you tell me all that is happening here including the transformations, reflection, stretch/compression, shifts, etc, and the vertex and x/y values, and how... more
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Trigonometry Math Calculus Precalculus

02/06/24

plzz help, urgent (calculus)
evaluate tan(sin^-1(1/4)). g(x)+ (x-1)/(x+2). a) what is the domain of g(x) b) verify (with sketch and or other argument) that g is a one-to-one function. c)find a formula for the inverse function.... more
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Trigonometry Math Calculus Precalculus

02/06/24

plzz help urgent, calculus :)
Solve the following two problems related to trigonometric functions and their inverses:(a) Solve the equation cot x = 2sin(2x) for x E [0,pi}.(b) Evaluate tan(sin^-1(1/4)).
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Trigonometry Math Calculus Precalculus

02/06/24

Plzz help (Calculus).. quick help :) Urgent
You put D0 dollars into your savings account in a bank that offers a fixed annual interest rate. If the interest is compounded continuously, one can derive that at a later time, in year t>0, the... more
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Trigonometry Math Calculus Precalculus

02/06/24

plz help urgent. Calculus

√(x + 1/x-1) , and g(x)=lnxa) determine the domains and ranges of these functions; b) find formulas for (f◦g)(x) and (g◦f) (x) ; c) find the domain of the composite functions of part(b).
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Trigonometry

02/05/24

Trigonometry Question
Brian's kite is flying above a field at the end of a 65 m of string. If the angle of elevation to the kite measures 70 degrees, and Brian is holding the kite 1.2 m off the ground. How high above... more
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Trigonometry Math Physics

02/05/24

Question for Basketball Hoop
Please help me with this math problem. I am trying to figure out the angle in which a ball will not bounce out of a pop a shot game. The back wall and three side walls are 89 inches. The basketball... more
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Trigonometry

02/05/24

Write the equation of a sine function that has the following characteristics.
Write the equation of a sine function that has the following characteristics.Amplitude: 8Amplitude: 8    Period: piPeriod: π    Phase shift: one halfPhase shift: 12Question content area bottomPart... more
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Trigonometry Algebra 2

02/04/24

There are two investment options, Plan A and Plan B, which one would take the least amount of time to double money?
You want to double your money in one year. There are two investment options, Plan A or Plan B. In Plan A, money is compounded continuously for a year at a rate of 4%. In Plan B, money is compounded... more
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