Answers

2016-04-19T09:04:28+05:30
3tanx+cotx=5cosecx

3sinx/xosx + cosx/sinx = 5/sinx

3sin²x + cos²x /sinxcosx = 5/sinx

2cos²x+5cosx-3=0

2cosx (cosx+3) - 1(cosx+3) = 0

(cosx+3)(cosx-1)=0
if (cosx-1) = 0
then x = 60°
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