If cos 3 theta = sin 2 theta where theta is an acute angle then find t

1.	If cos 3 theta = sin 2 theta where theta is an acute angle then find the value of theta.
Answer» Cos 3 theta= sin2 theta Cos 3 theta= cos(90°- 2theta) 3 theta= 90°-2 theta 90°=(3+2)theta Theta =90°/5 =18°

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