Math, asked by vasrisamahesh14thebe, 4 months ago

If tan θ = 20/21 ,then find the value of (cosθ-sinθ)/(cosθ+sinθ)

Answers

Answered by arunsinghbartwal080
0

Step-by-step explanation:

tanθ =20/21

taking cosθ common

cosθ(1-sinθ/cosθ)/cosθ(1+sinθ/cosθ)

sinθ /cosθ= tanθ

1-20/21 / 1+20/21

1/41 ans

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