Question

plz send me answer fast

Answer 1

Here is your answer that is b. 1

Answer 2

Hi friend............
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Here's your answer
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secA.cosecC - tanA.cotC/ sinB

= secA.cosec(90°-A) - tanA.cot(90°-A) / sinB

=secA.secA - tanA.tanA / sinB

=sec²A - tan²A / sinB

= 1 / sinB

= cosecB

= cosec90°

=1

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