Question Number 148301 by mathdanisur last updated on 26/Jul/21

Solve for equation: 4sin^2 (x) + sin(2x) = 2

Answered by mr W last updated on 27/Jul/21

2(1−cos 2x)+sin 2x=2 sin 2x=2 cos 2x ⇒tan 2x=2 ⇒2x=kπ+tan^(−1) 2 ⇒x=((kπ)/2)+((tan^(−1) 2)/2)

Commented bypuissant last updated on 27/Jul/21

wrong

Commented bymathdanisur last updated on 27/Jul/21

Thank you Sir The answer is as follows?

Commented bymr W last updated on 27/Jul/21

this is the correct answer, which can be easily checked.

Commented bymathdanisur last updated on 27/Jul/21

Thank you Ser

Commented bymr W last updated on 27/Jul/21

please tell where and what is wrong sir! thanks!