Trigonometry

How many degrees are in a full circle?

How many radians are in a full circle?

What is the formula to convert degrees to radians?

On the unit circle, what are the coordinates at 0° (0 radians)?

On the unit circle, what are the coordinates at 90° (π/2 radians)?

What is sin(30°)?

Hint: One of the special angle values

What is cos(60°)?

What is sin(45°)?

What is the period of the sine function y = sin(x)?

What is the amplitude of y = 3sin(x)?

Hint: The coefficient in front of sin

In which quadrants is sine positive?

Hint: Remember: All Students Take Calculus

In which quadrants is cosine positive?

What is the relationship between sin and cos for complementary angles?

What is the tangent function defined as?

What is the period of the tangent function?

What are the reciprocal trig functions of sin, cos, and tan?