Questions About Remote Learning?
Greg Needs Help With Trig
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Comic strip for geometry, must have the problems using sine cosine or tangent. One must be finding an angle. Answers must be correct.
Hey Greg, you seem aggravated, are you okay??
I want to figure outthe angle of elevationbetween the tree andthe edge of both ofthe chairs. But I donot know how!!!
No not at all, thatChristmas tree isannoying mebecause it is notcentered on the table
It is ok, I know how,all you need to do isform a triangle with the points youare measuring and then use sine, cosine,or tangent to find the angle of elevation
By finding the length of each side of the triangle, it is very easy to find the angle ofelevation
For this problem you would use theinverse cosinecos-(3/5)
The angle ofelevation would be 50.1 degrees.
For this one youwant to find what?
I want to find thehypotenuse
That could easilybe found using thePythagoreantheorem but forpractice we willuse triganometry
Luckily this triangle is a45/45/90 so finding theangle measures is noproblem
The hypotenuse will be 5.7 feet.
Sin(45) = 4/x
We will try to findthe angle of elevation forthis right triangle
The angle ofelevation will be 63.4 degrees.
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