Question

(1+tan^2 A)(1-sin A)(1+sin A)
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Answer 1

Answer:

1

Step-by-step explanation:

==: (1 + tan² A) (1 - sin A) (1 + sin A)

==: sec² A (1 - sin² A)

==:  sec² A * cos² A

==: 1/cos² A * cos² A

==: 1

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