# Double Angle Identities Quiz Questions and Answers 137 PDF Book Download

Double angle identities quiz questions and answers, double angle identities online learning, college math test prep 137 for distance education eCourses. Undergraduate degree and master's degree eCourses MCQs on double angle identities quiz, double angle identities multiple choice questions to practice math MCQs with answers. Learn double angle identities MCQs, career aptitude test on period of trigonometric functions, nature of roots of quadratic equation, triple angle identities, trigonometric ratios of allied angles, double angle identities test for online math word problems courses distance learning.

Practice double angle identities career test with multiple choice question (MCQs): cosα-sinα/cosα+sinα, for e-learning degree certificate with options sec2α+tan2α, sec2α-tan2α, csc2α-cot2α, csc2α+cot2α for online college degrees. Learn double angle identities questions and answers with problem-solving skills assessment test.

## Quiz on Double Angle Identities Worksheet 137Quiz Book Download

Double Angle Identities Quiz

MCQ: Cosα-sinα/cosα+sinα

- sec2α+tan2α
- sec2α-tan2α
- csc2α-cot2α
- csc2α+cot2α

D

Trigonometric ratios of Allied Angles Quiz

MCQ: Tan(-α) =

- −tanα
- tanα
- cotα
- cotα

A

Triple Angle Identities Quiz

MCQ: Sin9α =

- 4cos³3α-3cos3α
- 3cos³3α-4cos3α
- 3sin3α-4sin³3α
- 4sin3α-3sin³3α

C

Nature of roots of quadratic equation Quiz

MCQ: Discriminant of quadratic equation ax² +bx +c = 0 is

- b² + 4ac
- 4ac-b²
- b² - 4ac
- a² - 4bc

C

Period of Trigonometric Functions Quiz

MCQ: Period of 3cot(x/3) is

- π
- 2π
- 3π
- 4π

C