Jessie C.

asked • 08/23/21

From Singapore, Just do not know how to do some question on trigonometry

1) 2cos2θ = -1

2) secθ = 3cosθ

3) secθ = 3cosθ

Thank you so muchhhh!!!!

2 Answers By Expert Tutors


Raymond B. answered • 08/23/21

5 (1)

Math, microeconomics or criminal justice

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