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The value of 152 ( sin 30^@ + 2cos^2 ...

The value of
`152 ( sin 30^@ + 2cos^2 45^@ + 3 sin 30^@ + 4 cos^2 45^@ + …+ 17 sin30^@ + 18 cos^2 45^@)` is

A

an integer but not a perfect square

B

a rational number but not an integer

C

a perfect square of an integer

D

irrational

Text Solution

Verified by Experts

The correct Answer is:
C
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