Math, asked by adnan47, 1 year ago

plz help me in solving this question of trigonometry

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Answers

Answered by shruti256

LHS..
secA-tanA/secA+tanA
rationalizing the denominator
secA- tanA/ secA+tanA×secA-tanA/secA-tanA
(secA- tanA)^2/(secA+tanA)(secA-tanA)
sec^2A+ tan^2A-2secAtanA/sec^2A- tan^2A
1+tan^2A+tan^2A-2secAtanA
1+2tan^2A-2secAtanA
hence proved

adnan47: thnks for helping me

shruti256: wlcm

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