Math, asked by gulshansunny12, 4 months ago

find the value of (1+TanA-SecA)(1+TanA+SecA)

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Answered by secretuser46

0

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Answered by sandy1816

1

(1 + tanA - secA)(1 + tanA + secA)

=(1+tanA)² - sec²A

=1 + tan²A + 2tanA - sec²A

=sec²A + 2tanA - sec²A

=2tanA

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