10
Answer: ASet 1: Trigonometry
Explanation
If , what is the value of ?
A.✓ Correct
8
B.
4
C.
18
D.
16
Detailed Explanation
Choice A is correct. 1. Start: Subtract 4: Divide by 6: Therefore, .
Key Steps:
•
Apply the appropriate mathematical formula
•
The correct answer is 8
Why others are wrong:
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.
D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.
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