Question

g) If tana
4, find the value of sinA.
3​

Answer 1

Answer:

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tep-by-step explanation:

we already know that tanA=P/B

From Pythagorean theorem we get..

H²=P²+B²

H²=4²+3²

H²=16+9

H²=25

H²=5²

H=5

SinA=P/H

SinA= 4/5