59 Answered Questions for the topic Trig Functions

07/09/19

#### +/- angles, coterminal angles and values of trig functions

What are some tips or tricks you would give to someone who is just starting to learn about positive and negative angles, coterminal and reference angles, and the values of trig functions?

07/09/19

#### Trig ratios and functions

How does the Pythagorean Theorem relate to trigonometric ratios? What is important to remember about coterminal angles and their trigonometric function values? What are some tips or tricks you...
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#### Find all angles θ between 0° and 180° satisfying the given equation sin(θ) = 1/8

This is a trig question my math teacher gave and i am confused. I thought the answers were 4.2 and 172.8

Trig Functions

05/28/18

#### In ΔXYZ, the measure of ∠Z=90°, YZ = 13 feet, and ZX = 31 feet. Find the measure of ∠Y to the nearest degree.

Help me please!!!!!!!!!!

Trig Functions Trigonometric Identities

04/15/18

#### if sin of A = 5/13, in quad 1, find tan A/2 and a few others

if sin of A = 5/13, in quad 1, find tan A/2
if cos of A = -4/5, in quad 2, find sin A/2
if cos A =-4/5 in quad 2, find cos A/2
if cos A - -4/5 in quad 2 find cos 2A

02/05/18

#### How do you solve 2cosx sin^2x =cosx over domain 3pi < or = to x < or = to 4pi (need to give exact answers)

I've been stuck on this question ugh

Trig Functions Trigonometry

02/05/18

#### How do you prove: -2= (cot^2θ/1+cscθ) + (cot^2θ/1-cscθ)

How do I prove that both sides are the same?? I can't figure it out

Trig Functions Trig

01/25/18

#### Sin theta = 1/2, sec theta <0. Find cos theta and tan theta

Find cos theta and tan theta

Trig Functions

01/09/18

#### Tan is undefined and pie <= theta <= 2pie

you have to find the 6 trig functions

11/15/17

#### Solve the trig equation

solve the equation for the solutions over the interval [0 degrees, 360 degrees)
tan2x+8tanx+6=0
I am having trouble factoring and solving

Trig Functions

11/08/17

#### A fan belt with radius 8cm rotates 30 revolutions in 2 minutes. How far will a point on the belt travel in 10 seconds

It’s a trig function question

Trig Functions Trig Precalculus

04/11/17

#### Sec x = -13/5, pi/2 < x < 2 pi find cos2x, sin2x and tan2x

I am absolutely terrible with trig functions and I am not sure how to even start

03/19/17

#### Find the exact value of the trig function below

sin a/2 if cosa = 7/9 (assume sin a/2 is positive)

12/03/16

#### Simple Trig, got lost and need help.

Solve the given equation over the interval [0,2): 2sinx+ (sqrt 3) sin^2x=-(sqrt 3) cos^2x
A. x=0, and x=(pi/2), and x=(3 pi/2), and x=2(pi)x=(3 pi/2), and x=(7 pi/2)
b. x=(4 pi/3) and x=(5...
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Trig Functions

07/21/16

#### Finding values of trig functions given a constraint

Find the other trig functions if tan(thetha)=(3/4) and sin(thetha) <0
I really need a detailed explanation on this. I really do not understand how to solve .

Trig Functions

04/24/16

#### A line represented by y = 2x - 3 and a line perpendicular to it intersect at R(2, 1). What is the equation of the perpendicular line?

A line represented by y = 2x − 3 and a line perpendicular to it intersect at R(2, 1). What is the equation of the perpendicular line?

03/13/16

#### I am trying to use the half-angle formulas, but I'm just stuck.

Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.7π/12
5 sin(7π/12) = 9 cos(7π/12) = 5 tan(7π/12) =

01/13/16

#### Graphing Trig. Functions & Inverses

Evaluate In degrees:
1. Sin^-1 (-2pi)
2. arctan (- square root 3/3)
3. sin (cos^-1(- square root 3/2)
Evaluate in Radians
1. Arctan (-1)
2. cos^-1 (- 1/2)

Trig Functions

08/16/15

#### do the range of a sine function and it's corresponding cosecant function ever overlap? if yes, when does it occur? if no, why does it not occur?

do the range of a sine function and it's corresponding cosecant function ever overlap? if yes, when does it occur? if no, why does it not occur?

Trig Functions

08/16/15

#### detailed description of how to convert an angle from degrees to radians and explain the reasoning for each step of the procedure

detailed description of how to convert an angle from degrees to radians and explain the reasoning for each step of the procedure

Trig Functions Trigonometry

05/14/15

#### The terminal side of an angle...

The terminal side of an angle θ contains the point (√2, √2) in standard position. Determine the following:
a. What is the radius length of the circle?
b. What is the angle measure in...
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01/04/15

#### Sketch the graph of g(x)=arcsinx where g(x) is the inverse of f(x)=Sinx

So I'm given a graph where I am supposed to sketch/plot this and I have no idea as to how to go about it. If someone can guide me, I'd really appreciate it. Thank you!

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