Question

In triangle PQR , angle P=50degree , angle Q=90 degree , angle S=40degree then write a) sin 40 degree b) cos 50 degree​

Answer 1

Answer:

Step-by-step explanation:

H = Hypotenuse

O = Opposite and A = Adjacent

Sin Ф = O/H

Sin 40° = PQ/PR

Cos Ф = A/H

Cos 50° = PQ/QR