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Posted by on Wednesday, May 8, 2013 at 7:17am.

For a parameter a, suppose u is the smallest positive real number such that 100cos^2u−100sin^2u=a+25 and v is the largest negative real number such that 25√3sinv−75cosv=a. For how many integer values of a is u+v non-negative?

  • trigonometry!!! please help me guys!!! - , Wednesday, May 8, 2013 at 10:41am

    16

  • trigonometry!!! please help me guys!!! - , Wednesday, May 8, 2013 at 12:59pm

    wrong

  • trigonometry!!! please help me guys!!! - , Saturday, May 11, 2013 at 10:44am

    36

  • trigonometry!!! please help me guys!!! - , Saturday, May 11, 2013 at 8:34pm

    wrong

  • trigonometry!!! please help me guys!!! - , Monday, May 13, 2013 at 10:07am

    13

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