9,261 Answered Questions for the topic trigonometry

Trigonometry

06/04/23

how to solve this question
Use the method of completing the square to find the standard form of the quadratic function.f(x) = x2 − 8x + 4plot the points and sketch the graph
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Trigonometry

06/04/23

how to solve this
Find the values of a in the domain of f for which f(a) equals the given number. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)f(x) = x2 − 5x − 18; f(a) = 6 more
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Trigonometry Math

05/31/23

How to prove a trigonometric equation with the compound angle formula?
Given that cos(x-30)=2sin(x+30), show that tanx=(2-31/2)/(1-2•31/2)When I work through the first equation and manipulate it to get tanx, I get tanx=(31/2-2)/(2•31/2). I’m just not sure where I’ve... more
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Trigonometry

05/30/23

how to simplify sin^2-cos^2
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Trigonometry

05/25/23

Given the following point on the unit circle, find the angle, to the nearest tenth of a degree (if necessary), of the terminal side through that point,
Given the following point on the unit circle, find the angle, to the nearest tenth of a degree (if necessary), of the terminal side through that point,- (square root)3/4, (square root) 13/4
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Trigonometry

05/25/23

How do you solve for θ in the equation: sin(2θ)=(6θ-2π)/3
I've started solving a problem and eventually got this: sin(2θ)=(6θ-2π)/3(θ is an angle measure in radians)I didn't know how to solve this equation so i put it into different online tools but none... more
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Trigonometry Math Precalculus

05/25/23

Tangent Problem
A typical drag road is 402 metres long. Suppose a set of bleachers 3m deep is set up 20 m away from the track. Suppose you are sitting in the front middle seat. Write an equation that represents... more
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Trigonometry Math Precalculus

05/21/23

Trigonometry Problem
A typical drag road is 402 metres long. Suppose a set of bleachers 3m deep is set up 20 m away from the track. a) Suppose you are sitting in the front middle seat. Write an equation that represents... more
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Trigonometry Math Precalculus

05/21/23

Trigonometry Problem
Let f(θ)= cosθ, and g(θ)= 3f(1/2θ).On the interval θ∈[0,2π], explain how the coordinates of the x- and y-intercepts of g are obtained from the coordinates of the x- and y-intercepts of f. Use exact... more
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Trigonometry

05/20/23

solve the equation on the interval 0≤θ<2π
-1 -8cos(-30+ pi/6) = 3 1 +4sin^2 θ = -4sin θ 2cos^2 θ = -cos2 θ +1
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Trigonometry Geometry

05/18/23

Triangle ABC is congruent to triangle EDF, solve for x and y, and then find m<B.

<A is on the left <B is on the top<C is on the right <A= (6x+20) degrees <C= (3y-2) degrees Triangle EDF is upside down<E is on the left <F is on the right<D is on the... more
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Trigonometry Precalculus

05/18/23

Can someone show a visual/video way to solve this problem

Draw the arrows on the following graph to represent the orientation of the following parametric... more
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Trigonometry Math Precalculus

05/17/23

Verify that her solutions are correct.
Latoya determined two approximate solutions to the equation 3 + sin2 x = tan2 x + 1 to be these: x = 1.027 and x = 2.281. Verify that her solutions are correct. Explain your reasoning. Can you also... more
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Trigonometry Math Precalculus

05/17/23

Solving Trigonometric Equations
Solve 4 sin x + 5 = 4 + sin x to the nearest thousandth. a. In the domain 0° ≤ x ≤ 360°b. In the domain of the real numbers, as a general solution.
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Trigonometry Math

05/17/23

Determine the exact value for the following trigonometric ratios.
At the beginning of the lesson, the idea of a bicycle tire with a radius of 1 unit being used to determine the height of the marker after a rotation of a specific angle was presented. Determine the... more
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Trigonometry Precalculus

05/16/23

Ive been trying to solve this but I’m not sure if I’m right

Convert the following polar equation into parametric equation show all your work.simplify the equationsr(Thea)=2sec(Thea)
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Trigonometry Precalculus

05/16/23

Word problem help??
Jessica and Eric are playing catch. Jessica toss the ball to Eric I am initial velocity of 40 ft. Per second at an angle of 45°from the height of 4 feet Jessica is 30feet from Eric. how high above... more
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Trigonometry Precalculus

05/16/23

Help….?!?!???!?!
Draw the arrows on the following graph to represent the orientation of the following parametric equation... more
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Trigonometry Precalculus

05/16/23

URGENT!!!!! Convert r = 2/ 7sinθ−cosθ to rectangular form. Enter your answer in slope-intercept form by filling in the boxes. Enter values so that fractions are simplified.
boxes that need filling in :y = blank/blank x plus+ blank/blank^ x is like the x to the y in (x , y).
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Trigonometry

05/15/23

Prove trigonometry
Prove; (tanθ/(1-cotθ))+ (cotθ/(1-tanθ)) = 1+tanθ
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Trigonometry Math

05/12/23

Hi can you please help me with these sinusoidal functions questions? Please include all answers in degree mode and not in radian. Thank you!
1. State the transformations that have been applied to y = cos x to obtain the function y = 1.78cos(x - 120°)+ 102. Determine the equation of a Sine *and* Cosine function that is modelled by the... more
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Trigonometry

05/11/23

Given a trig value, find the value of another trigonometric value
Given tan(theta )=6, find the value of tan(theta +(pi )/(4))
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Trigonometry

05/10/23

Find the equivalent expression of the trigonometric fucntion
12cos^(2)(6x)-12sin^(2)(6x)Answer choices:a. 12cos^2(12x)b. 6cos(12x)C. 24sin(12x)D. 24cos(12x)E. 6sin(12x)
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Trigonometry Algebra 2

05/10/23

Write a sine function that has an amplitude of 5, a midline of y = 3 and a period of 3π/7

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Trigonometry

05/10/23

Given sin A = 5 / sqrt{89} ​and that angle A is in Quadrant I, find the exact value of cotA in simplest radical form using a rational denominator.
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