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Assertion (A): For an acute angle $\theta$, $\cos \theta$ is always less than $1$. Reason (R): In a right-angled triangle, hypotenuse is the longest side and $\cos \theta = \frac{\text{Base}}{\text{Hypotenuse}}$
- (a)Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
- (b)Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
- (c)Assertion (A) is true, but Reason (R) is false.
- (d)Assertion (A) is false, but Reason (R) is true.
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Answer (A) Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).