# Trig Identities Quiz Questions and Answers 69 PDF Book Download

Learn trig identities quiz questions, trig identities MCQs with answers pdf 69 to study math certificate online course. Practice "trigonometric identities" quiz questions and answers, trig identities Multiple Choice Questions (MCQs) for online college degrees. Free trig identities MCQs, trigonometric identities, inverse of a function, period of trigonometric functions, row matrix, trig identities test prep for college entrance exams.

"Sec(-300°) =", trig identities Multiple Choice Questions (MCQs) with choices *3, 4, 2, and 1* for completely online college. Practice trigonometric identities questions and answers to improve problem solving skills for best online colleges for teaching degree.

## Quiz Questions on Trig Identities 69 PDF Book Download

MCQ: Sec(-300°) =

- 4
- 3
- 2
- 1

C

MCQ: [ 0 0 0 ] is

- Scaler matrix
- diagonal matrix
- identity matrix
- null matrix

D

MCQ: The period of sec(3x) is

- π/3
- π/2
- 2π/3
- π

C

MCQ: If ƒ(x) = e^{x}, then f^{-1}(x) =

- sin(x)
- cos(x)
- lnx
- e
^{x}

C

MCQ: Cosα =

- cos²α/2 + sin²α/2
- cos²α/2 - sin²α/2
- cos²α - sin²α
- cos²α + sin²α

B