Question

If tan theata =7/8 find value of (1+cos theata )(1-cos theata)/(1+ sin theata )(1-sin theata )

Answer 1

Answer:

(1+cosθ)(1-cosθ)/(1+sinθ)(1-sin θ)

multiplying both each other then   1-cosθ^2/1-sinθ^2

sinθ^2/cosθ^2

tanθ^2 then        tanθ=7/8

49/64

Step-by-step explanation: