Trig problems: sine = 0.8357, angle = 57, adjacent angle =

[Jamiel]

Ok, probably a silly question but i have been out of school for a long time and am now taking a algebra refresher course where there is a unit of trig. I am having problems trying to find the answers in this table where as:

sin = 0.8357
the angle = 57
the adjacent angle is 22

I am needing to find the hypotenuse and the opposite angle. Can someone help me please, there are several more questions like these and I am just totally lost.

Thanks!!

 

[tkhunny]

I think you'll have to do better than that. It isn't even a question, yet. Can you post the exact wording of the question?

First, "sine" doesn't quite do it. It must be the sine OF something. For example, sin(57º) = 0.8386706

Further, sin(56.6887975º) = 0.8357, so it seems those two results are too close for me to tell that you do or don't mean the same thing.

Third, The angles of a triangle add up to 180º. The word "hypotemuse" doesn't mean much unless you have a RIGHT triangle. If one acute angle of a right triangle is 22º, that leaves 90º - 22º = 68º for the other. You weren't expecting 57º, were you?

So, what was it you were asking?

 

[Denis]

Jamie, go here:
http://id.mind.net/~zona/mmts/trigonome ... angle.html

Read that over and I think most of your confusion will be eliminated;
anf you'll see why TK is telling you that if one angle = 57, then the other
MUST equal 90-57 = 33.

And you'll that IF you have angles 57 and 22, then the other angle
MUST equal 180-57-22 = 101; BUT then there is NO hypotenuse.