Trigonometry Examples

$270$

Step 1

Take the cotangent of $270$ .

$\cot (270)$

Step 2

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

$\cot (90)$

Step 3

The exact value of $\cot (90)$ is $0$ .

$0$

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$