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If tan2θ = 2 tanθ - 1 . Then find the value of cotθ . |
2 -1 1 0 |
1 |
tan2θ = 2 tanθ - 1 tanθ = 2 - \(\frac{1}{tanθ}\) tanθ + \(\frac{1}{tanθ}\) = 2 tanθ= 1, then θ = 45° cotθ = cot45° = 1 |
