1.

Sin 2A = Cos A then A = ?​

Answer»

now that sin2A=2cosA.sinANow in the given equationsin2A=cosAUsing the IDENTITY,we have2cosA.sinA=cosA∴sinA= 21 A=30°I hope it HELPS you..please FOLLOW me and mark me as a brainlist..please



Discussion

No Comment Found

Related InterviewSolutions