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in Trigonometry by (56.3k points)

Evaluate:

sin2 30° cos45° + 4tan2 30° + (\(\frac{1}{2}\)) sin2 90° − 2cos2 90° + (\(\frac{1}{24}\)) cos 20°.

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sin2 30° cos45° + 4tan2 30° + (\(\frac{1}{2}\)) sin2 90° − 2cos2 90° + (\(\frac{1}{24}\)) cos 20°.

Value of trigonometric ratios are:

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