Math, asked by sowndhu8, 9 months ago

Find the value of sec4A - tan4A.

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Answered by Anonymous

2

we know that

sec²a-tan²a=1

now,

sec⁴a-tan⁴a=(sec²a)²- (tan²a)²

(sec²a-tan²a)(sec²a+tan²a)

1*(sec²a+tan²a)

1+tan²a+tan²a

1+2tan²a

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