Weekly Reflection 9-21-18

Evaluating and Converting:
I will be able to evaluate trigonometric expressions and convert between radians and degrees.

One example of evaluating is:
Find Cot 45 degrees. Cot is the inverse of tangent so 1/tan(45)= 1
One example of converting radians to degrees:
Convert 3pi/4 into degrees. First I would need to multiply 3pi/4 by 180/pi. The pi's would cancel and I would end up with 3*180/4 ---> 135 degrees is the answer.
One example of converting degrees to radians:
Convert 160 degrees in radians. First I would multiply 160 by pi/180. 160 pi/180. This is no the simplified form so I would need to divide the top and the bottom by 20 and the final answer is 8pi/9

One misconception I had was with which equation to use to convert from radians to degrees or degrees to radians. I figured out my misconception on my own I figured the pi would be in the numerator when going from degree to radian because radians have pi and the pi would be in the denominator when going from radian to degree because the pi would need to cancel.

EQ: To convert from radians to degrees you would need to multiply your equation by 180/pi or 360/2pi then cancel the pi's out and simplify the equation to find the degree. To go from degree to radians you would need to multiply the equation by pi/180 or 2pi/360. Then simplify to get your radians.



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