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# Trig Identities Trivia Questions and Answers PDF p. 69

Learn Trig Identities trivia questions and answers, trig identities worksheets with answers PDF 69 to practice College Math exam questions for online classes. Practice Trigonometric Identities quiz questions, trig identities Multiple Choice Questions (MCQ) for online college degrees. "Trig identities Worksheets" PDF book: 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 (MCQ) with choices 3, 4, 2, and 1 for completely online college. Learn trigonometric identities questions and answers to improve problem solving skills for best online colleges for teaching degree.

## Trivia Quiz on Trig Identities

1.

Sec(-300°) =

4
3
2
1

2.

[ 0 0 0 ] is

Scaler matrix
diagonal matrix
identity matrix
null matrix

3.

The period of sec(3x) is

π/3
π/2
2π/3
π

4.

If ƒ(x) = ex, then f-1(x) =

sin(x)
cos(x)
lnx
ex

5.

Cosα =

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