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Thu 16 Sep, 2004 07:35 am
Can anyone solve these problems
1. Positive angles x & y are such that x+2y=300 & tan y = 2 cos 160. Find their values.
Note: 300 & 160 are angles.
2. Solve the following eqs. for x b/w 0(degrees) & 360(degree):
cot 50 sec(-x) = 2
I don't quite understand what is going on in number 2, but in number 1...
use a calculator or what have you to calculate y : (2 * cos(160))
plug that value in the first equation and solve for x
Thanks alot for ur help well i also try to do that but it didn't work
Make sure your calculator is set to degrees and not radians. What didn't work?
The answer is not coming correct
Ah, i see it. I missed the tan y part. After you calculate 2*cos(160), you need to calculate the inverse tangent -- tan^-1(answer) -- that should give you y.
Thanks a lott i'll hopefully try it & tell u abt it
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