The four major organic compounds include all of the following except:

Determine the amplitude or period as requested.Period of y = sin 5x

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.tan 72°

Use the given triangles to evaluate the expression. Rationalize all denominators. sec 60°

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 

Solve the problem.What is the range of the cosine function?

Convert the angle in radians to degrees. Round to two decimal places.2 radians

Find the exact value of the indicated trigonometric function of θ. cos θ = , tan θ < 0 Find sin θ.

Use the given information to find the exact value of the expression.sin α = , α lies in quadrant I, and cos β = , β lies in quadrant IFind cos (α + β).

Use an identity to find the value of the expression. Do not use a calculator.sin 55° csc 55°