Math, asked by rinchhana290, 4 hours ago

(1 - tan)² + (1+ tan O)²=2 sec² o​

Answers

Answered by gayenbanasree
1

Step-by-step explanation:

Answer

Take left hand side of the equation (1+tanA)

2

+(1−tanA)

2

=2sec

2

A.

LHS = (1+tanA)

2

+(1−tanA)

2

=1+tan

2

A+2tanA+1+tan

2

A−2tanA

=2+2tan

2

A

=2(1+tan

2

A)

=2sec

2

A

=RHS

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