1.

Assertion: sin(cot^(-1)(1/2))=tan(cos^(-1)x) then the value of x=(sqrt(5))/3 Reason R: cos(tan^(-1)(sin(cot^(-1)x)))=sqrt(((1+x^(2))/(2+x^(2))))

Answer»

Both A and R are true and R is correct EXPLANATION of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false but R is true

Answer :A


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