Applying Trigonometric Identities

Evaluate this expression and put in terms of sin x and/or cos x. sin6x + sin4x show your work and explain how the answer was obtained.

Trigonometric expression

Evaluate this expression: (1-sinx)/cosx - cosx/(1+sinx)

Trigonometry identities

Trigonometric identities

Simplify the complex number.

Simplify the following (3+i )/2 + (1- i )/4

Trigonometric Identity

If Z1= R1(cosx1+sinxI) and Z2= (cosx2+sinxI) How do you prove that Z1 multiplied by Z2 = R1 multiplied by R2(Cos(x1+x2)+sin(x1+x2)I).

Find the function for the attached graph.

Find the function for the attached graph.

Find the function for the attached graph.

Find the function for the attached graph.

Trigonometric Functions : Determine the Period

Determine the period: y=3sin(4x-pi)

Period, Amplitude, Phase Shift of a Trigonometric Function

For the function: y=10sin(2x-pi/3) Find the period, the amplitude and the phase shift.

Sine & CoSine

Find two angles such that sin theta=.9872. Describe the steps you used on your calculator.