If sin 2 theta = cos 3 theta, where 2 theta and 3 theta are acute angles, what is the value of theta? Answer soon plzzzzz! Share with your friends Share 4 Priyanka Kedia answered this sin2θ=cos3θ⇒sin2θ=sin90-3θ⇒2θ=90-3θ⇒2θ+3θ=90⇒5θ=90⇒θ=18 -14 View Full Answer