Math question help!
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14 Feb 2010, 18:37
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So we've just started with working with Vectors and I have a paper to finish for tomorrow, but I simply can't remember that fucking cosinus/sinus stuff.
Find the coordinates for B & C.
How do I do that? :)
Please help me out lads.
Find the coordinates for B & C.
How do I do that? :)
Please help me out lads.
the lower angle is 30°, the upper one 90
then you can calculate:
sin30*5= x value of c
cos30*5= y value of c
-> y value of c= sq root (5²-x²)
-> coordinates of c
(2.5;4.3301)
what can you do now, which job i mean
The x-coordinate of C is 5*cos(60) and the y-coordinate of C is 5*sin(60)
Comes out to (5/2, 5/2 * sqrt(3) )