The minimum value ofsin^n A + cos^n A+ sec^n A+ cosec^ A+ tan^n A +cot^n A ?
raghunath , 10 Years ago
Grade 11
IIT JEE Entrance Exam> The minimum value of sin^n A + cos^n A+ s...
1 Answers
Abhishek Singh
Last Activity: 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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