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The number of integral values of k for w...

The number of integral values of k for which the equation `7 cos x + 5 sin x=2 k +1` has a solution is -

A

4

B

8

C

10

D

12

Text Solution

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The correct Answer is:
B
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FIITJEE-MATHEMATICS -OBJECTIVE
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  2. If sin x + cosec x + tan y + cot y =4 where x and y in [ 0 (pi)/(2)], ...

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  4. The vlaues of k for which the circles x ^(2) + y ^(2) =1 and x ^(2) + ...

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