Math, asked by newzpunjabi, 3 months ago

( cosec A - sin A ) ( sec A - cos A)

Answers

Answered by kartik9618

1

Answer:

dont know thanks for points

Answered by rimimandal697

2

Answer:

1/4sin^2A

Step-by-step explanation:

(cosec A -sinA)(secA-cosA)

=(1-sin^2A)(1-cos^2A)

=cos^2A×sin^2A

=1/4×(2sinAcosA)^2

=1/4×sin^2A

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