Chapter 1.3: Trigonometric Functions

Question 1

What is the reciprocal identity of sin(theta)

Answer 1

1/csc(theta)

Question 2

What is the quotient identity of cotangent?

Answer 2

cot(theta) = cos(theta)/sin(theta)

Question 3

What is the fundamental identity of sin^2(theta) + cos^2(theta)?

Answer 3

sin^2(theta) + cos^2(theta) = 1

Question 4

What is the fundamental identity of sec^2(theta) - tan^2(theta)?

Answer 4

sec^2(theta) - tan^2(theta) = 1

Question 5

What is the fundamental identity of csc^2(theta) + cot^2(theta)?

Answer 5

csc^2(theta) + cot^2(theta) = 1

Question 6

What is the trig quotient identity for tangent?

Answer 6

sin(theta)/cos(theta)