Problem

Problem

If ∣k∣=5|k| = 5 and 0∘≤θ≤360∘0^\circ \le \theta \le 360^\circ , then the number of different solutions of 3cos⁡θ+4sin⁡θ=k3 \cos \theta + 4 \sin \theta = k is a. Zero b. Two c. One d. Infinite

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