# Sine Cosine Tangent Quiz Questions and Answers 25 PDF Download

Learn sine cosine tangent quiz, online college math test 25 for online courses, distance learning. Free math MCQs questions and answers to learn sine cosine tangent MCQs with answers. 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 for online best math course test.

Free sine cosine tangent course worksheet has multiple choice quiz question as 2sin(x+45°)sin(x-45°) = with options cos2x, −cos2x, sin2x and −sin2x with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study trigonometric identities multiple choice questions based quiz question and answers.

## Quiz on Sine Cosine Tangent Quiz PDF Download 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) =

- cos²α-sin²β
- sin²α-cos²β
- 2cosα
- 2sinα

B

when Q(x) has repeated linear factors Quiz

MCQ. Partial fractions of 1/(x²-1) are equivalent to

- Ax+B/(x²-1)
- 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 & inverse of square Matrix Quiz

MCQ. Additive inverse of a matrix A is

- A
- |A|
- A²
- adj A⁄|A|

D