Question

0. 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:

tanA= 1

tanA= tan45

A=45°

2sinAcosA

sin(2A)

sin(2×45)

sin90

1

if you are in class 10 then use it

2sinAcosA

2sin45cos45

2×1/√2×1/√2

2×1/2

1

#666