Question

if tan theta is equals to - 4 by 3 then sin theta is

Answer 1

Tan theta = -4/3 = p/b

P = -4 , B = 3 ,H = ?

By pathagoras theroem,

(H)² = (P)²+(B)²

(H)² = (-4)² + (3)² = 16+9 = 25

(H)² = 25

H = ✓25 = 5cm

Sin theta = p/H = -4/5