# Sine Cosine Tangent Quiz Questions and Answers 25 PDF Book Download

Sine cosine tangent quiz, sine cosine tangent MCQs answers, college math quiz 25 to learn math courses online. Trigonometric identities quiz questions and answers, sine cosine tangent multiple choice questions (MCQ) to practice math MCQs with answers for college and university courses. Learn sine cosine tangent MCQs, radian to degree conversion, when q(x) has repeated linear factors, double angle identities, sine cosine tangent test prep for online certifications.

Practice sine cosine tangent test with multiple choice question (MCQs): 2sin(x+45°)sin(x-45°) =, with choices cos2x, −cos2x, sin2x, and −sin2x for online college degrees. Practice trigonometric identities questions and answers for scholarships exams' problem-solving, assessment test.

## Quiz on Sine Cosine Tangent Worksheet 25Quiz Book 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