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ella [17]
3 years ago
12

Tan^2 A - sin^2 A = tan^2 A.sin^2 A​

Mathematics
1 answer:
ella [17]3 years ago
3 0

Answer:

step by step calculation :

To proof:

tan²A - sin²A = tan² A sin²A

from LHS,

tan²A -sin²A

= (sin²A / cos²A) - sin²A……[tan A=sin A/cos A]

= (sin²A - sin²Acos²A) / cos²A

= sin²A (1- cos²A) / cos² A [tan A = sinA / cos A]

= tan²A sin²A= RHS

.•. hence proved

hope it helped:)

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