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My graphic calculator keeps saying cos(60) is -0.952... when I thought it was 1/2???

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    I recently got a new calculator for A level fmaths and i keep getting the wrong answers for trig values. How can i fix this?
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    either you need to get out of radians or get into radians
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    it's probably in radians mode
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    (Original post by Himtiaz)
    I recently got a new calculator for A level fmaths and i keep getting the wrong answers for trig values. How can i fix this?
    change rad -> deg

    you currently have cos(60 radians)
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    Cos(60) (degrees) is 1/2. Cos(60) (radians) is -0.952. Need to change the setup of your calculator so it's using degrees rather than radians
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    (Original post by Daniel117100)
    either you need to get out of radians or get into radians
    (Original post by MemeworksStudios)
    it's probably in radians mode
    (Original post by XOR_)
    change rad -> deg

    you currently have cos(60 radians)
    (Original post by Buymoria)
    Cos(60) (degrees) is 1/2. Cos(60) (radians) is -0.952. Need to change the setup of your calculator so it's using degrees rather than radians
    Thanks!
 
 
 
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