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Prove that Root of sec square A+ cosec square A = cotA+tanA

Prove that Root of sec square A+ cosec square A = cotA+tanA

Grade:10

1 Answers

abhijit roy
19 Points
6 years ago
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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