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Q43. The expression 2cos(7θ)sin(2θ) is equal to:

Mathematics — NUST Mock 2 — Question 43 of 200

A. cos(5θ) - cos(9θ)
B. cos(9θ) - cos(5θ)
C. sin(9θ) + sin(5θ)
D. sin(9θ) - sin(5θ)

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The expression 2cos(7θ)sin(2θ) is equal to: | Mathematics MCQ #43 | Examora | Examora