Question

Example 4 : In a right triangle ABC, right-angled at B,
if tan A= 1, then verify that
2 sin A cos A = 1.​

Answer 1

Step-by-step explanation:

refer the above pic......

Answer 2

Answer:

2*1/√2*1/√2

Step-by-step explanation:

tan45=1

LHS

=2(sin45)(cos45)

=2*1/√2*1/√2

=2*1/2

=1

LHS=RHS