# Double Angle Identities Quiz Questions and Answers 137 PDF Download

Learn double angle identities quiz questions, online college math test 137 for distance learning degrees, online courses. College and university courses' MCQs on double angle identities quiz, double angle identities multiple choice questions and answers to learn math MCQs with answers. Practice double angle identities MCQs, career test assessment on period of trigonometric functions, nature of roots of quadratic equation, triple angle identities, trigonometric ratios of allied angles, double angle identities practice test for online math word problems courses distance learning.

Study bachelor degree and masters degree in math questions, double angle identities course online has multiple choice question (MCQs): cosα-sinα/cosα+sinα with options sec2α+tan2α, sec2α-tan2α, csc2α-cot2α and csc2α+cot2α with online eLearning for online competitions like GRE study test for good GRE scores. Learn double angle identities quizzes with problem solving skills assessment test.

## Quiz on Double Angle Identities Worksheet 137Quiz PDF 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