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Statement:1: If sum (r=1)^(n) sin(x(r)) ...

Statement:1: If `sum _(r=1)^(n) sin(x_(r)) = n`, then `sum_(n=1)^(n) cot (x_(r)) =n`. And Statement-2: The number of solutions of the equation `cosx =x` is 1.

A

Statement-1 is true, Statement-2 is true, Statement-2 is a correct explanation for statement-11

B

Statement-1 is true, Statement-2 is true, Statement-2 is not a correct expanation for statement-11

C

Statement-1 is True, Statement-2 is false

D

Statement-1 is False, Statement-2 is true

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section E (Assertion-Reason Types Questions)
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  10. Statement-1: The general solution of 2^(sinx) + 2^( cosx)= 2^(1-1/sqrt...

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  14. Statement-1: If triangleABC, 3bc=(a-b+c)(a+b-c) then A=120^(@). and ...

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  17. Let ABCD be a cyclic quadrilateral then Statement:1 sinA + sinB+ sin...

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  18. Statement I In a triangle ABC if tan A: tan B: tan C=1 :2:3, then A=...

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