Question

If tan alpha is equal to 15/8 then sin alpha is equal to??

Answer 1

Tan alpha = 15/8

Tan alpha = P / B

So find H by using Pythagoras theorem.

H^2 = P^2 + B^2

H^2 = 15^2 + 8^2

H ^2 = 225 + 64 = 289

H = 17

Sin alpha = P/ H

So Sin alpha = 15 / 17



Thanks