If cosθ = x, then = ± √1+x/2.
A. sin θ/2
B. cos2θ
C. sin2θ
D. cos θ/2...
Mathematics, 04.11.2020 22:00 liz3022
If cosθ = x, then = ± √1+x/2.
A. sin θ/2
B. cos2θ
C. sin2θ
D. cos θ/2
Answers: 1
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