Recommended Questions
- Prove the following:cos12+cos84^@+cos156^@+cos132^@=-1/2
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- Find the value of cos12^0+cos84^0+cos156^0+cos132^0
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- The value of cos 12^0+cos 84^0+cos 156^0+cos 132^0 is 1/2 1 -1/2 1/8
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- The value of cos12^(0)+cos84^(0)+cos156^(@)+cos132^(@)is
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- Find the value of cos12^(@)+cos84^(@)+cos156^(@)+cos132^(@)
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- find the values of (1)cos12^@+cos84^@+cos156^@+cos132^@
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- A.78^(@)-sin18^(@)+cos132^(@),B=cos12^(@)+cos84^(@)+cos132^(@)+cos156^...
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- cos12^(@)+cos84^(@)+cos156^(@)+cos132^(@) The value of
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- The value of cos12^@+cos84^@+cos156^@+cos132^@ is
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