How do I evaluate the following trigonometric expression involving special angles?
1. sin60° cos30° - cos45° sin45°
2. tan60° - tan45° / 1 + tan60° tan45°
3. [1 + cot² 30°]³
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trigonometric expression involving special angles
How to evaluate the following ...
The solution shows how to evaluate trigonometric expression at some special angles such as 30, 45, and 60 degrees.