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The minimum value of sin^n A + cos^n A+ sec^n A+ cosec^ A+ tan^n A +cot^n A ?

The minimum value of  sin^n A + cos^n A+ sec^n A+ cosec^ A+ tan^n A +cot^n A ?

Grade:11

1 Answers

Abhishek Singh
105 Points
9 years ago
given expression can be written as =( sin^n A + cosec^ A )+ (cos^n A+ sec^n A) + (tan^n A +cot^n A)
the min value of each term is 2 so min of expnression is 6  

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