# Sine Cosine Tangent Quiz Questions and Answers 25 PDF Download

Practice sine cosine tangent quiz, college math quiz 25 for online learning. Free math MCQs questions and answers to practice 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 worksheets.

Free sine cosine tangent worksheet has multiple choice quiz question as 2sin(x+45°)sin(x-45°) =, answer key with choices as cos2x, −cos2x, sin2x and −sin2x problem solving to test study skills. For online 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 and inverse of square Matrix Quiz

MCQ. The additive inverse of a matrix A is

- A
- |A|
- A²
- adj A⁄|A|

D