Assertion: Method of dimension cannot be used for deriving formulae containing trigonometrical ratios.Reason: This is because trigonometrical ratios have no dimensions.
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a
Both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
b
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c
Assertion is true, but the Reason is false
d
Assertion is false but the Reason is true.
answer is A.
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Detailed Solution
Method of dimensions cannot be used for deriving formulae containing trigonometrical ratios as trigonometrical ratios are dimensionless.