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Which is the correct identity for cos(π/2-θ) ? A. cos θ B. sin θ C. sec θ D. csc θ

Which is the correct identity for cos(π/2-θ) ? A. cos θ B. sin θ C. sec θ D. csc θ
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3 votes
Which is the correct identity for cos(π/2-θ) ? A. cos θ B. sin θ C. sec θ D. csc θ

asked
User Xyene
by
7.8k points

2 Answers

4 votes
I believe the answer is D. I’m terribly sorry if I got it wrong
answered
User Michael Davis
by
8.7k points
2 votes

Answer:

B. sin

Explanation:

sin A is equivalent to cos(pi/2-a)

answered
User Brendan Goggin
by
7.2k points
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