Question

If cosA=3/5,then write the value of sinA​

Answer 1

Answer:

sinA=4/5

Step-by-step explanation:

cosA=B/H=3/5

B=3x, H=5x

$p = \sqrt{ {5x}^{2} - {3x}^{2} }$

p=4x

sinA=P/H=4x/5x

sinA=4/5