Question

sec A (1 – sin A)(sec A + tan A) = ____​

Answer 1

Answer:

1

Step-by-step explanation:

seca(1-sina)(1/cosa+Sina/cosa)

=> seca(1-sina)(1-sina)/cosa

=> seca(1-sin²a)/cosa

=> seca cos ²a/cosa

=> 1/cos a×cosa

=1

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