Find the area of the triangle below. Carry your intermediate computations to at least four decimal places. 4 cm 40° 7 cm

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A: The figure

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A: Please see the answer below.Explanation:

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A:

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A:

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Q: how do i solve

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A:

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A: See the attachment.Explanation:

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A: To solve the following equation.

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A:

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Q: cos 18° cos 12° cos 72° cos 78° sin 62° sin 73° - sin 28° sin 17° -

A: On Simplifying we get   6​/2                                         Explanation:

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A: Please see the attachment.Explanation:

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