exam Maths Puzzle Numerical Ability

Could you help me with this problem?

What is the period and graph of y=2 cot(x+ pie over 2)?

Thank you very much for your help!

Sarah McGuire

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exam Other Question
Solve and check for X:

(x/12)-(1/6)=[(2x-7)/12] How do you identify whether x^2+3y^2-2x+36y+100=0 is a circle, hyperbola, parabola, or an ellipse.