Tuesday, July 8, 2025
💥 Q 11: Prep 3 Geometry Question Bank T1
Trigonometric Identity Proof
Without using the calculator, prove that: \(\cos 60^\circ = 2 \cos^2 30^\circ - 1\)
Answer
Therefore, L.H.S. = R.H.S. = \(\frac{1}{2}\)
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