$\sin^2\theta - \cos^2\theta - 3\sin\theta - 3\cos\theta$
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First, let's simplify the expression: LCoD sin(20) cos(20) - 3sin(0) - 3cos(0) Since sin(0) = 0 and cos(0) = 1, we can simplify further: LCoD sin(20) cos(20) - 3(0) - 3(1) Now, we can simplify the expression even more: LCoD sin(20) cos(20) - 0 - 3 Show more…
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