Question

In a triangle ABC,roght angled at B, if tan A=1, then yhe value of 2 sin A cos A=​

Answer 1

Answer:

tanA = 1

=> A = 45

=> 2sinAcosA

= 2sin45*cos45

= 2*1/√2 * 1/√2

= 2 * 1/2

= 1