Trigonometry is the field of study which deals with the relationship between angles, heights, and lengths of right triangles. The ratios of the sides of a right triangle is known as trigonometric ratios. Trigonometry has six main ratios namely sin, cos, tan, cot, sec, and cosec. All these ratios have different formulas. It uses the three sides and angles of a right-angled triangle. Let's look into 2cosacosb formula in detail.
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