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    Can anyone solve these simultaneous equations?

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

    Please help
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    (Original post by Cking987)
    Can anyone solve these simultaneous equations?

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

    Please help
    squaring and adding comes to mind
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    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.
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    (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
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    (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
    Why don't you post your working so we can help you?
 
 
 
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