SOLUTION: can you help solve 1.- sin 4x=4sinxcosxcos2x 2.- tan(x-45grades)+ tan(x+45grades)=2tan2x 3.- sin(x+y)+ sin(x-y)=2sinxcosy 4.- let sin s=3/5,sin t= -12/13, s in quadr
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-> SOLUTION: can you help solve 1.- sin 4x=4sinxcosxcos2x 2.- tan(x-45grades)+ tan(x+45grades)=2tan2x 3.- sin(x+y)+ sin(x-y)=2sinxcosy 4.- let sin s=3/5,sin t= -12/13, s in quadr
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Question 309216: can you help solve 1.- sin 4x=4sinxcosxcos2x 2.- tan(x-45grades)+ tan(x+45grades)=2tan2x 3.- sin(x+y)+ sin(x-y)=2sinxcosy 4.- let sin s=3/5,sin t= -12/13, s in quadrant I and t in quadrant III. find cos(s+t); find sin(s-t); find tan(s+t) factor tan^3x-csc^3x Answer by solver91311(24713) (Show Source):
