Can Cos Value Be Negative? [Solved]

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Can Cos Value Be Negative? [Solved]

Thus, our cosine is approximately . However, as we are in the second quadrant, cosine must be negative! Therefore, our true cosine is .

Math Class 11th Lecture 12 Why Cos of negative angle is positive Tehseen Younas Superior Toba

Math Class 11th Lecture 12 Why

Trigonometry - Quadrant Rule : Solving Cos θ = negative value : ExamSolutions

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Method For Finding The Values Of Trigonometric Ratios Above 90° | Vedic Maths

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