3
Answer: DSet 1: Trigonometry
Explanation
If , what is the value of ?
A.
28
B.
19
C.
48
D.✓ Correct
38
Detailed Explanation
Choice D is correct. 1. Substitute Therefore, when .
Key Steps:
•
Apply the appropriate mathematical formula
•
The correct answer is 38
Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.
🎯 Keep Practicing!
Master all sections for your best SAT score