Question

cos (π+theta) =__________​

Answer 1

Answer:

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cos(π + θ) = -cosθ, tan(π + θ) = +tanθ, cot(π + θ) = +cotθ. Connecting the M that is in the 3rd Quadrant to O and extending it to cross the tangent and cotangent axes, it crosses them in their positive region, and hence, both are positive for angle π + θ.

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Answer 2

Step-by-step explanation:

cos(π+©)=-cos©

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