# Triple Angle Identities Quizzes Online MCQs PDF Download eBook

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"Cosθ+cos3θ/2sinθsin2θ =", triple angle identities Multiple Choice Questions (MCQs) with choices *cot2θcotθ, tan2θtanθ, −tan2θtanθ, and sin2θtanθ* for accredited online colleges. Practice trigonometric ratios of allied angles questions and answers to improve problem solving skills for best online GRE prep class.

## Triple Angle Identities Questions and Answers PDF Download eBook

MCQ: Cosθ+cos3θ/2sinθsin2θ =

- tan2θtanθ
- cot2θcotθ
- −tan2θtanθ
- sin2θtanθ

B

MCQ: A relation in which the equality is true only for a number of unknowns is called an

- identity
- equation
- algebric equation
- algebric relation

B

MCQ: The function ƒ(x) = ax² + bx + c has maximum value if

- a > 0
- a < 0
- a > 1
- a > 2

B

MCQ: If A = { a,b,c }, B = {1, 2, 3}, f = {(a,1), (b,1), (c,1)} is

- onto function
- one-one function
- identity function
- constant function

D

MCQ: Sech²x =

- 1 + tanhh²x
- 1 - tanhh²x
- 1-coth²x
- coth²x-1

B