Posted by roronoa zoro 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 nonnegative?

trigonometry!!! please help me guys!!!  Anonymous, Wednesday, May 8, 2013 at 10:41am
16

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

trigonometry!!! please help me guys!!!  Anonymous, Saturday, May 11, 2013 at 10:44am
36

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

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