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Sin, Cos and Tan

Find the value of (sin 30° + cos 30°) – (sin 60° + cos 60°). Solution: We know that, sin 30° = 1/2. cos 30° = √3/2. sin 60° = √3/2. cos 60° = 1/2. Now, (sin 30° + cos 30°) – (sin 60° + cos 60°) = [(1/2) + (√3/2)] – [(√3/2) + (1/2)] = (1/2) + (√3/2) –
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