Math, asked by ridhimanagpal05, 3 months ago

1 - sec A / 1 + sec A = (sin A - cos A)^2​

Answers

Answered by vaishnaviprakash436
2

Answer:

To prove : secA1+secA=1−cosAsec12A

LHS secA1+secA=cosA11+cosA1

=cosA1cosAcosA+1

=cosAcosA+1×1cosA

=1+cosA

=1+cosA×1−cosA1−cosA

=1−cosA(1)2−(cosA)2

=1−cosA1−cos2A

=1−cosAsin


ridhimanagpal05: this answer is wrong
ridhimanagpal05: my question is something else
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