Question

11. Verify each of the following: (i) sin 60° cos 30° - cos 60° sin 30º = sin 30° (ii) cos 60° cos 30° + sin 60° sin 30º = cos 30° (iii) 2 sin 30° cos 30º = sin 60° (iv) 2 sin 45° cos 45º = sin 90°​

Answer 1

Answer:

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