278 Answered Questions for the topic Trigonometric Functions

Trigonometric Functions Precalculus Math Help

06/17/16

#### precalculus final monday please help me remember the corrects steps to solve these questions as i have lost my notes! Thanks!

1) determine exact value of each trigonometric ratio a)sec 315° b)cos 5pi/6 c)cot 270 d)sin(-4pi/3)   2) find exact roots a)tan θ = √3, -180° ≤ θ<180° b)sec θ = 2/√3, -2Ω ≤ θ  < 2Ω
Trigonometric Functions

06/16/16

#### Can you help me with trigonometric functions?

Sketch a graph of each function for one period. Label the x-intercepts and any asymptotes.    a) f(x)=sin(x-pie)-1   b) f(x)=-3cos[4(x+pie/2)]
Trigonometric Functions

06/08/16

#### Find all the values of ?, 0 = ? = 3p, for which sin2 ? = 1 2.

Find all the values of θ, 0 ≤ θ ≤ 3π, for which sin2 θ = 1 2. Give your answers in radians (not degrees) and use two decimal places of accuracy where required.
Trigonometric Functions

06/04/16

#### How can I proof that sin alpha +cos alpha < radican2

How can I use the fact that sine(-b)=-sin b and cos(-b)= cos b yo probé that sin a cos a < radical 2
Trigonometric Functions Geometry Sas

05/08/16

#### Mary plans to have a fence built around the triangular garden shown to the right. To the nearest foot, what length of fence will she need to buy?

SAS  Side c= 37ft Angle A= 62(degrees) Side b= 30ft
Trigonometric Functions

05/03/16

#### What is the perimeter of a right triangle that has a leg of length 5 inches and whose hypotenuse is 2 inches longer than the third side?

My  math teacher gave me this weird problem and I do not like it so you need to solve it.
Trigonometric Functions Trig Idenity

05/02/16

#### trigonometric functions

Hi,   Am having trouble with this question and any help would be greatly appreciated.   The heights of two different robot arms (in cm) at time t (in seconds) are given by   y1... more
Trigonometric Functions Trigonometry Math Help

05/01/16

#### Find sin theta if tan theta = sqrt3 / 3, and falls in quadrant 2

Answer choices: A) sin theta = -1/2 B) sin theta = 1/2 C) sin theta = sqrt3/2 D) sin theta = - sqrt3/2
Trigonometric Functions Trigonometry Math Help

04/29/16

#### Please determine the amplitude, period(in hours), and determine the mid-line (write in an equation)?

At midnight the water at a particular beach is at high tide. At the same time a gauge at the end of a pier reads 10 feet. Low tide is reached at 6 AM when the gauge reads 4ft.
Trigonometric Functions Range

04/12/16

#### How to find the range of the function

y=5+3sin(2(x+pi))
Trigonometric Functions

04/03/16

#### Use inverse functions

2 cos^2 x +7 sin x =5
Trigonometric Functions

04/03/16

#### Use inverse functions

2sin^2 x+11 cos x=7
Trigonometric Functions

03/27/16

#### use the given information to find the values of the remaining five trigonometric functions

cot(x)=(1/2), π<x<(3Π/2)
Trigonometric Functions

03/23/16

#### a unit circle has a radius of 1 unit. explain why one complete rotaion around a unit circle is a distance of 2pi

trigonometric funtions
Trigonometric Functions Trigonometry Angles

03/10/16

#### TERMINAL SIDE: lines & trigonometric functions

Find sin (angle) if the terminal side of (angle) is in the third quadrant on the line y=1/2x
Trigonometric Functions

03/06/16

#### Sin -1 .54

same as the question above
Trigonometric Functions

03/06/16

#### Cos -1 (- sqrt 2/2)

same as the question above
Trigonometric Functions

03/06/16

#### Sin -1 (-1/2) in radians

Sin -1 (-1/2)
Trigonometric Functions Trigonometry Word Problem

03/06/16

#### Trigonometry Word Problem

Suppose the depth of the tide in a certain harbor can be modeled by y=23 + 4 cos (pi/6 x t), where y is the water depth in feet and t is the time in hours. Consider a day in which t=0 represents... more
Trigonometric Functions Math Help Math Word Problem

03/05/16

#### Write an equation of a Ferris wheel

Problem: You are about to begin your ride at the very bottom of the ferris wheel, and rotate counter-clockwise from there. Write a possible equation of the graph with these details: Diameter is... more
Trigonometric Functions

02/29/16

#### Solve trigonometric equation

Tan^-1 2x = sin^-1x please give exact answers
Trigonometric Functions

02/18/16

#### find the value of all other five trigonometric functions from the given functions sinx=5/13, cosx>0 and cosx=-4/5,sinx>0. thanks!

find the value of all other five trigonometric functions from the given functions sinx=5/13, cosx>0 and cosx=-4/5,sinx>0. thanks!
Trigonometric Functions

02/15/16

#### side 10 with 80 degree ad missing side

Its a right triangle with the one side 10 and the on degree of 10 and trying to find the missing angle

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