9,261 Answered Questions for the topic trigonometry

Trigonometry

06/05/21

sin^2(45+theta) + sin^2(45-theta) =2sintheta×costheta
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Trigonometry Math

06/04/21

Prove that sin7A=7sinA-56sin^3A+112sin^5A-64sin^7A
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Trigonometry Math

06/04/21

This video showed you strategies for graphing y = csc x based on the fact that it is the reciprocal function of y = sinx.
 This video showed you strategies for graphing y = csc x based on the fact that it is the reciprocal functionof y = sinx.Use a similar process to graph y = sec x on the interval    [Hint:  remember... more
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Trigonometry Math

06/04/21

Using the techniques and strategies from the video for the tangent, graph the function y = cot x over the same interval as given for question 3.
****I am only looking for the answer for #4, but I posted question 3 just in case there was information in it needed for question 4.****3. Use a straightedge to draw the xy axis for your graph.  On... more
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Trigonometry Math

06/04/21

Use a straightedge to draw the xy axis for your graph. On the x-axis label the points spaced equally between integer multiples of π/2 beginning with −π and ending at 5/π2.
Use a straightedge to draw the xy axis for your graph.  On the x-axis label the pointsspaced equally between integer multiples of  beginning with   and ending at  Graph the functiony = tan x.  Use... more
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Trigonometry Math

06/04/21

Given angles A and B in Quadrant I with sinA=12/13and cosB=4/5 find: cos(A+B) and tan(A-B)
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06/04/21

A 250-foot weather tower used to measure wind speed has a guy wire attached to it 75 feet above the ground.

A 250-foot weather tower used to measure wind speed has a guy wire attached to it 75 feet above the ground. The angle between the wire and the vertical tower is 48 degrees. Approximate the length... more
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Trigonometry

06/03/21

What are two expressions that are equivalent to tan(θ)sin(θ)?
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Trigonometry Algebra 1 Algebra 2

06/03/21

if sinx>0 and tanx =-2 find secx

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Trigonometry Algebra 1 Algebra 2

06/03/21

find the inverse of f(x)= 5^x-3 +2 (x-3 is all an exponent)
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Trigonometry Algebra 1 Algebra 2

06/03/21

Show work if possible
list the x intervals on which the function is increasing for the function f(x)=-2x^4-4x^3+6x^2 (please show work if possible)
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06/03/21

solve for x if cscx= -2√3 /3 in the interval 0<x<2pi
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06/03/21

Solve for sinx, if secx<0 and cot= √5 (square root of 5)
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Trigonometry

06/03/21

The Tan ∠x = .4452. What is the measure of ∠x ? ∠ x =
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Trigonometry

06/03/21

The Cos ∠x = .1392. What is the measure of ∠x ? ∠ x =

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Trigonometry

06/03/21

The Cos ∠x = .5150. What is the measure of ∠x ? ∠ x =

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Trigonometry

06/03/21

The Cos ∠x = .9455. What is the measure of ∠x ? ∠ x =

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Trigonometry

06/03/21

The Sin ∠x = .0872. What is the measure of ∠x ? ∠ x =
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Trigonometry

06/03/21

The Sin ∠x = .6428. What is the measure of ∠x ? ∠ x =
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Trigonometry

06/03/21

The Sin ∠x = .5299. What is the measure of ∠x ? ∠ x =

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06/03/21

Let f( x ) = 2 − 3x + 13x^2. Calculate the following values:

Let f( x ) = 2 − 3x + 13x^2. Calculate the following values: f (a)=f(a+h)f(a+h)−f(a) /h= (For h does not equal 0)
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06/02/21

For the function f ( x ) = 6x^2 + 5x − 9 evaluate and fully simplify each of the following.
For the function f(x)=6x^2 + 5x − 9,evaluate and fully simplify each of the following.f (x+h) = f (x+h) - f(x)/h =
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06/02/21

The height y (in feet) of a ball thrown by a child is

The height y (in feet) of a ball thrown by a child is y= -1/12x^2 + 2x + 3where x is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is the ball when it... more
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06/02/21

For the function f ( x ) = 3x^2 − 2x − 7

For the function f(x)= 3x^2 −2x −7, evaluate and fully simplify each of the following.f (x+h) =f(x+h)-f(x)/h =
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06/02/21

Find an equation for the line parallel to 3y + 27x = 15

Find an equation for the line parallel to 3y+27x=15 and goes through the point (-6,7). Write your answer in the form y=mx+bY=?
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