Question

if tanA=3/4then sinA=​

Answer 1

Answer:

tanA = 3/4

THEN,

sin A = O/H

tanA = O/A

HERE

Opposite Side = 3

Adjacent Side =4

There Fore,

According to Pythagoras Theorem,

H²= O² + A²

H² = (3)²+(4)²

H² = 9 + 16

H² = 25

H = √25

H = 5

There Fore,

sin A = 3/5

Step-by-step explanation:

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