sin theta cos theta - 4 sin theta=0 (look at picture)

Mathematics
Tutor: None Selected Time limit: 1 Day

May 2nd, 2015

sin theta (costheta -4) = 0 

sintheta =0 or costheta -4 =0 

theta = 0, pi 

costheta = 4 does not have solution

so the solution is 0 and pi in [0, 2pi)

May 2nd, 2015

thanks!

May 2nd, 2015

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