57 Answered Questions for the topic Trig Functions

Trig Functions Calculus Derivative

10/23/19

Find the derivatives

Find dy/dx:1.) y = (tanx) / (1+xtanx)2.) y = cot(x^2)+sec^2x3.) x^3 -xy +y^2 =44.) y = xarctanx
Trig Functions Algebra 2

07/25/19

What is the value of tan(Θ)

Trig Functions Algebra 2

07/25/19

What is the value of cos(Θ)

Trig Functions Algebra 2

07/25/19

What is cos(Θ)?

Trig Functions Algebra 2

07/25/19

What is cos(Θ)?

If tan(Θ)= -1/2 and π/2 < Θ < π, what is cos(Θ)?
Trig Functions Algebra 2 Identities

07/24/19

How to find tan(2x)

If cos= -4/5, and 180° < x < 270°, what is tan(2x)?
Trig Functions Algebra 2 Identities

07/24/19

How to find tan(2x)

If cos= -4/5, and 180° < x < 270°, what is tan(2x)?
Trig Functions Algebra 2

07/24/19

How to find tan(2x)

If cos x= 21/29, 0° < x < 90°, what is tan(2x)?
Trig Functions Algebra 2 Identities

07/23/19

What is tan(x - pi/4)?

If sin x= 7/25, and 0 < x < pi/2, what is tan(x - pi/4)?
Trig Functions Algebra 2

07/23/19

How to find cos(2x)

If tan x= 24/7, and 0° < x < 90°, what is cos(2x)?
Trig Functions Algebra 2

07/23/19

Dealing with half angles

How do you determine whether the sign of a trigonometric function (sine, cosine, tangent) is positive or negative when dealing with half angles? Why do the half-angle identities include positive... more
Trig Functions Algebra 2 Trigonometry

07/22/19

What is sin(α + β)

If 180° < α < 270°, cos α= -8/17, 270° < β < 360°, and sin β= -4/5, what is sin(α + β)?
Trig Functions Algebra 2

07/22/19

Equivalent Expressions

Which expressions are equivalent to cot ⁡θ?
Trig Functions Algebra 2 Trigonometry

07/20/19

Simplest form of the expression

What is the simplest form of the expression cotθ/cosθ
Trig Functions Algebra 2

07/19/19

Finding the answer to sin

If tan x= 12/5, and 0° < x < 90°, what is sin (2x).
Trig Functions Algebra 2

07/18/19

Finding the answer to cosΘ

If sinΘ= -8/17 and 270° < Θ < 360°, what is cosΘ?
Trig Functions Algebra 2

07/18/19

Ways functions can be expressed

What are some of the ways tanθ=sinθ/cosθ can be expressed? 
Trig Functions Algebra 2 Trigonometry

07/16/19

Points on a graph

Which points are on the graph of the function f(x) = cos x?-(0, 1)-(3π/2, 0)-(π/2, 1)-(π/4, √2/2)
Trig Functions Algebra 2 Trigonometry

07/16/19

Points on the graph

Which points are on the graph of the function f(x)= tan x-(π/2, 0)-(3π/4, -1)-(0, 0)-(π/4, 1)
Trig Functions Algebra 2 Trigonometry

07/16/19

Periodic phenomena

What makes periodic phenomena difficult to model?What are some of the problems you may encounter using trigonometric functions as a model?
Trig Functions Algebra 2

07/15/19

Modeling trig functions

How are periodic phenomena relatively easy to model using trigonometric functions? What makes them difficult to model this way?
Trig Functions Algebra 2

07/11/19

Changes to function rules in graphs

How would a graph of sin(x−h) differ from the graph of sin⁡ x? How might the graph of a cos ⁡x differ from the graph of cos⁡ x?
Trig Functions Algebra 2 Radians

07/10/19

Radians and Reference values

How are radian measures more versatile than degree measures? How can reference angles help to quickly identify trig function values?
Trig Functions Algebra 2 Coterminal Angles

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?
Trig Functions Algebra 2 Trig Ratios

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... more
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