Corey and Margaret went scuba diving in the ocean together. Corey dove to a depth of -23 feet, while Margaret dove to a depth of
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The dirty little secret about trig is students mostly just need to understand the 45/45/90 right isosceles triangle and the 30/60/90 triangle, which is half an isosceles triangle.
I'm sure you have seen it many times already, so I'll remind you in the 30/60/90 right triangle the sides opposite those angles are respectively in the ratio
So in this hypotenuse 2 triangle, the length 1 side is opposite the 30 degree angle and the
We could jump right to the answer but let's enumerate all the trig functions. Really you should memorize the sine and cosine so you can get these quickly.
We want the cotangent, another way to get it is