Math, asked by Dheekkshitha, 5 months ago

PLS GIVE ME THE ANSWER
(1+tan A)^2+ (1-tan A )^2 =2 sec^2A​

Answers

Answered by vipashyana1
1

Answer:

(1+tanA)²+(1-tanA)²=2sec²A

1+2tanA+tan²A+1-2tan+tan²A=2sec²A

1+1+tan²A+tan²+2tanA-2tanA=2sec²A

2+2tan²A=2sec²A

2(1+tan²A)=2sec²A

2sec²A=2sec²A

LHS=RHS

Hence proved

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