# Sine Cosine Tangent Quiz Questions 25 pdf Download

Practice college math MCQ test 25 to learn sine cosine tangent quiz online. Find questions to study math quiz on trigonometric identities. Practice MCQs to test knowledge on sine cosine tangent, double angle identities, when q(x) has repeated linear factors, radian to degree conversion, adjoint and inverse of square matrix,.

Free study guide has multiple choice quiz questions as 2sin(x+45°)sin(x-45°) = with answering options cos2x, −cos2x, sin2x and −sin2x to test study skills. For e-learning, study online trigonometric identities multiple choice questions based quiz questions and answers.

## Quiz on Sine Cosine Tangent - Worksheet 25

Sine Cosine Tangent Quiz

MCQ. 2sin(x+45°)sin(x-45°) =

- cos2x.
- −cos2x.
- sin2x.
- −sin2x.

B

Double Angle Identities Quiz

MCQ. Cos(α + β)cos(α - β) =

- cos
^{2}α-sin^{2}β. - sin
^{2}α-cos^{2}β. - 2cosα.
- 2sinα.

B

when Q(x) has repeated linear factors Quiz

MCQ. Partial fractions of 1/(x^{2}-1) are equivalent to

- Ax+B/(x
^{2}-1). - A/(x+1) + B/(x-1).
- A/(x+1).
- B/(x-1).

B

Radian to Degree Conversion Quiz

MCQ. (22 1/2)° =

- π/2 radians.
- π/4 radians.
- π/8 radians.
- 180π radians.

C

Adjoint and inverse of square Matrix Quiz

MCQ. Additive inverse of a matrix A is

- A.
- |A|.
- A
^{2}. - adj A⁄|A|.

D