If 2 sin theta + cos theta = frac{7}{3}, then | vedclass

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(D) We know the fundamental trigonometric identity: $\sec^2 	heta - 	an^2 	heta = 1.$Rearranging this identity,we get: $	an^2 	heta - \sec^2 	he

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$-1$

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(D) We know the fundamental trigonometric identity: $\sec^2 	heta - 	an^2 	heta = 1.$Rearranging this identity,we get: $	an^2 	heta - \sec^2 	heta = -1.$Since the expression $(	an^2 	heta - \sec^2 	heta)$ is independent of the value of $	heta$ (provided $	heta$ is in the domain of the functions),the given equation $2 \sin 	heta + \cos 	heta = \frac{7}{3}$ is irrelevant to the final result.Therefore,the value is $-1$.

If $2 \sin \theta + \cos \theta = \frac{7}{3},$ then the value of $(\tan^2 \theta - \sec^2 \theta)$ is

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