Question

(1 + tan a + sec a ) (1 +cot a -cosec a ) =
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

{cos a + sina + 1 }/cos a { sin a + cosa -1}/sina

{cosa Sina + cos^2 a - cos a + sin^2a + sin a cos a -sin a + sin a + cos a -1 } / sin a cos a

2sina cos a / sin a cos a

sin a cos a answer