Math, asked by sumidigital143, 1 year ago

(cosec A - sin A) (sec A - cos A) sec? A = tan A.​

Answers

Answered by harshitharebelly
6

Answer:

Step-by-step explanation:

put power 2 in place of question mark(?)

=(1/sinA - sinA)(1/cosA - cosA) sec^2A

=(1-sin^2A/sinA) (1-cos^2A/cosA) sec^2A

=(cos^2A/sinA)(sin^2A/cosA) sec^2A

=cosA*sinA*sec^2A

=cosA*sinA*1/cos^2A

=sinA/cosA

=tanA

Hence proved

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