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# Trig simultaneous equations watch

1. Can anyone solve these simultaneous equations?

90sin(x)+48sin(y)=98
90cos(x)-48cos(y)=0

2. (Original post by Cking987)
Can anyone solve these simultaneous equations?

90sin(x)+48sin(y)=98
90cos(x)-48cos(y)=0

squaring and adding comes to mind
3. And of course the use of a lovely identity sin^2 θ + cos^2 θ =1 will make everything fall nicely in place so you can obtain both x and y. Peace.
4. (Original post by WhiteGroupMaths)
And of course the use of a lovely identity sin^2 θ + cos^2 θ =1 will make everything fall nicely in place so you can obtain both x and y. Peace.
By doing this would you not eliminate both x and y?? Please can you be a legend and guide me through it ahaha
5. (Original post by Cking987)
By doing this would you not eliminate both x and y?? Please can you be a legend and guide me through it ahaha

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Updated: February 14, 2016
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