Question

SinA × CosA=½ then find (SinA+CosA)

Answer 1

Answer:

√2

Step-by-step explanation:

(SinA+CosA) = √(SinA+CosA)²

                      = √[Sin²A + Cos²A + 2SinACosA]

                      = √ [1 + 2SinACosA)

                      = √ (1 + 2*1/2) = √ (1 + 1) = √2