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SAT Subject Test

If *,* then

### Select an Answer

Correct Answer:

No

Correct Answer:

No

Correct Answer:

No

Correct Answer:

No

Correct Answer:

Yes

### View Correct Answer

The correct answer is E.

One way to determine the value of is to apply the sine of difference of two angles identity: . Since and , the identity gives . Therefore, .

Another way to determine the value of is to apply the supplementary angle trigonometric identity for the sine: . Therefore, .

Question Difficulty:

medium