13-06-2016
Mathematics

Answered

Find all values of e in the interval oo se<360o that satisfy the equation sin20- sin 0.

Find all values of e in the interval oo se lt;360o that satisfy the equation sin20- sin 0. class=

Verified Answer :

nobillionaireNobley nobillionaireNobley

16-06-2016

sin 2θ = sin θ
2sin θ cos θ = sin θ
2cos θ = 1
cos θ = 1/2
\(\theta = cos^{-1} \frac{1}{2} \\ \theta = \frac{ \pi }{3} \ or \ \frac{5 \pi }{3}\)

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