Math, asked by kesarapuprasad2798, 1 year ago

Prove that tan A/sec A - 1 + tanA/secA + 1 = 2cosec A

Answers

Answered by sandy1816

6

Step-by-step explanation:

tanA/secA-1+tanA/secA+1

=tanA(secA+1)+tanA(secA-1)/sec²A-1

=tanA.2secA/tan²A

=2secA/tanA

=2.1/cosA.(cosA/sinA)

=2cosecA

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