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Grade: 12

                        

sin cot -1 tan cos -1 x.

8 years ago

Answers : (2)

harihara kumar
45 Points
							

(tan)^3x

8 years ago
BHARGAV TEJA KAKI
33 Points
							

given  sincot-1tancos-1x

but we know that cos-1x=tan-1(1-x2)1/2/x

= sincot-1tantan-1(1-x2)1/2/x

=sincot-1(1-x2)1/2/x                   (since tantan-1x=x)

=sinsin-1x

=x

therefore  sincot-1tancos-1x=x

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8 years ago
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