sambriddhi28 sambriddhi28
  • 23-10-2021
  • Mathematics
contestada

if tanA/2=4/3, find The value of sinA, cosA​

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Аноним Аноним
  • 23-10-2021

given :- tanA=4/3

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

CosA=B/H

from that

SinA= 4/5

CosA=3/5

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