Trig Identities

Evaluate: tan 15°.

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

Which of the following is equal to tan(theta)?

The expression sec^2(theta) - tan^2(theta) is equal to:

What is the reciprocal of sin(theta)?

The value of cot(theta) * tan(theta) is:

Express cosec^2(theta) - 1 in terms of cotangent.

What is sin(90 - theta) equal to?

The value of cos(0) is:

If sin(theta) = 3/5, what is the value of cosec(theta)?

Simplify: (1 - sin^2(theta)) * sec^2(theta)

Identify the correct relation:

What is the value of cos(90 - theta)?

The product tan(A) * cos(A) simplifies to:

The value of sin(30) is:

What is (1 + tan^2(x)) equal to?

Simplify sin(theta) * cot(theta).

If cos(A) = 1/2, find sec(A).

Which is equivalent to 1/cosec(A)?

Value of tan(45) is: