Question

If sin A= Cos A,then findvthe value of 2 tanA+cos^A

Answer 1

SinA = CosA

We know that Sin 45 = Cos 45

               So, A =45

SO, 2tan A + Cos^2A = 2tan 45 + cos^2 45

                                   = 2(1)  +(1/√2)^2 = 2+1/2 = 4+1/2 = 5/2