Grade 10Integral Calculus
Prove that Root of sec square A+ cosec square A = cotA+tanA
1 Answer
abhijit roy
sec square a + cosec square a = tan square a + cot square a + 2
= tan square a + cot square a + 2 (tan a) (cot a)
= ( tan a + cot a)^2
so the root will be =(tan a + cot a) or (cot a+ tan a) [proved]
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