Question

Use the value of the given trigonometric function.

Answer 1

Answer:

tan A=3/5

if sineA=4/5 then tanA=3/5

Answer 2

By Pythagoras Theorem :

(H)² = (P)² + (B)²

(5)² = (4)² + (B)²

25 = 16 + (B)²

25 - 16 = (B)²

9 = (B)²

√9 = B

B = 3

Tan A = Perpendicular/Base

= 4/3

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