Question

In a right triangle ABC, right angled at B, if tan A = 1, then SinACosA = ???

Answer 1

a 1 b 90degree than c should be 3

Answer 2

Answer:

Given,

tan A = 1

then, sin A = 1/√(2)

and cos A = 1/√(2)

therefore, sin A cos A = 1/√(2)*1/√(2) = 1/2