# Online Math Learning Quizzes Online MCQs PDF Download eBook - 134

Online Math Learning quiz questions, online math learning multiple choice questions and answers PDF 134 to learn math course for online certification. Practice "Functions and Limits" quiz with answers, online math learning Multiple Choice Questions (MCQs) for online college degrees. Free online math learning MCQs, trigonometric ratios of allied angles, mathematical formulas, online math learning test prep for best ACT prep courses online.

"Sech^{-1}x =", online math learning Multiple Choice Questions (MCQs) with choices *ln(x+√(x² +1)), ln(x+√(x² +1)), 1/2ln(1+x/1-x), and 1/2ln(x+1/x-1)* for free online college courses. Practice functions and limits questions and answers to improve problem solving skills for colleges that offer online classes.

## Online Math Learning Questions and Answers PDF Download eBook

MCQ: Sech^{-1}x =

- ln(x+√(x² +1))
- ln(x+√(x² +1))
- 1/2ln(1+x/1-x)
- 1/2ln(x+1/x-1)

B

MCQ: Cos²2θ+sin²2θ =

- 2
- 1
- 0
- −1

A

MCQ: If α,β,γ are the angles of a triangle ABC, then cos(α + β) =

- sinγ
- −cosγ
- cosγ
- −sinγ

D

MCQ: Cos(α-90°) =

- −cosecα
- cosecα
- −secα
- sinα

D

MCQ: 45° =

- 3π/2 radians
- 2π/3 radians
- π/4 radians
- 180π radians

C