2) Find the exact value of sin 15° = sin ( -) Find two unit circle angles that subtract to 15 30°, 60°, 90', 120',. %3D 45°, 90', 135', 180", ... sin (A-B) = sin A cos B- cos A sin B 60', 120', 180°, 240", %3D .... Subture into Sum Parmule Findnd FA 11 1|

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A: The schematic diagram of the problem is given below:

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A: Consider the figure:

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Q: 2. a. arctan(-1) b. tanV3 C. tan-

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Q: sin(45° + 30°)

A: To evaluate the following expression.sin45°+30°

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A: Explanation of the answer is as follows

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