Question

Q1.Slove any three subquestions
1. If sin Q=
$\frac{4}{5}$
then find cos Q =?​

Answer 1

Answer:

cos Q = 3/5

Step-by-step explanation:

sin Q = 4/5

sin Q = opposite / hypotenuse

therefore , adjacent = 3

beacuse 5 , 4, 3 are Pythagorean triplets

now ,

cos Q = adjacent /hypotenuse

cos Q = 3/5