( cosec A - sin A ) ( sec A - cos A)
Answers
Answered by
1
Answer:
dont know thanks for points
Answered by
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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