Question

If cot theta=7/8 find the value of (1+sintheta) (1-sintheta )÷(1
+costheta) (1-costheta

Answer 1

Answer:

49 / 15

Step-by-step explanation:

Cosθ = 7/8

(1+Sinθ)(1-Sinθ) / (1 + Cosθ)(1 - Cosθ)

= 1 - Sin²θ / 1 - Cos²θ

= Cos²θ /  1 - Cos²θ

= (7/8)² / 1 - (7/8)²

=  49 / 15

Answer 2

Step-by-step explanation:

49/15 is the correct answer

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