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OpenStudy (anonymous):
Please help me to solve this. If cot[θ] = -2, find the value of: cot[θ] + cot[θ - Pi] + cot(θ - 2 Pi)
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OpenStudy (dumbcow):
|dw:1394347529248:dw| so subtracting 2pi gets you to same spot, cot(A-2pi) = -2 subtracting pi gets you to same reference angle in opposite quadrant, for tangent opposite(diagonal) quadrants are equal, cot(A-pi) = -2
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