Trigonometric Quadrant Formula

Trigonometric Quadrant Formula. For example, imagine you need to find cot 300°. Sin 2θ = 2 sin θ cos θ;

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For this, we use the concept of astc rule. Tan ⁡ a ⋅ cot ⁡ b = tan ⁡ a + cot ⁡ b cot ⁡ a + tan ⁡ b. Based on the above two examples, we can evaluate the following trigonometric ratios.

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