- A−3
- B3
- C4
- D√34
Step-by-Step Solution
, so the second is . The root gives ; the acute root gives 3.
Answer: B) 3
If 3 sin θ + 5 cos θ = 5 and θ is acute (0° < θ < 90°), find 5 sin θ − 3 cos θ.
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