# Sine Cosine Tangent Quiz Questions and Answers 25 PDF Download

Learn sine cosine tangent quiz online, college math test 25 for online learning, distance learning courses. Free sine cosine tangent MCQs questions and answers to learn math quiz with answers. Practice tests for educational assessment on sine cosine tangent test with answers, adjoint and inverse of square matrix, radian to degree conversion, when q(x) has repeated linear factors, double angle identities, sine cosine tangent practice test for online math magician courses distance learning.

Free online sine cosine tangent course worksheet has multiple choice quiz question: 2sin(x+45°)sin(x-45°) = with options cos2x, −cos2x, sin2x and −sin2x for college board examination to practice logic questions for free online competitions and examinations, study trigonometric identities multiple choice questions based quiz question and answers.

## Quiz on Sine Cosine Tangent Worksheet 25 Quiz PDF Download

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