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Which mathematical expression involves the subtraction of two angles?

A) SINCA-B
B) SinainB
C) sin(B-C)
D) singsing

User Treedbox
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1 Answer

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Final answer:

The correct mathematical expression that involves the subtraction of two angles is sin(B-C), which matches the known trigonometric identity for the sine of the difference between two angles.

Step-by-step explanation:

The question asks which mathematical expression involves the subtraction of two angles. Analyzing the given options, we see that sin(B-C) represents the sine of the difference between two angles B and C. This aligns with one of the trigonometric identities, specifically the formula for the sine of the subtraction of two angles:

sin (a ± β) = sin a cos β ± cos a sin β

Thus, option C, sin(B-C), is the correct answer. It should be noted that although trigonometric identities involving the subtraction of angles were mentioned in the provided reference information, the exact expression sin(B-C) was not directly listed but can be inferred from the known trigonometric identities.

User Josh Glover
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