Question

एक समकोण त्रिभुज ABC में कोण B = 90°. यदि tan A =1
तो सत्यापित कीजिए कि 2sin A cos A = 1​

Answer 1

Answer:

tan A = 1

tan 45 = 1

therefore angle A = 45°

sinA = sin 45 = 1/√2

cosA = cos 45 = 1/√2

2sin A cosA

2(1/√2)(1/√2)

2(1/2)

=1

Hence proved!!!!

Answer 2

Answer:

The answer is 1. I think it can helpful to you....