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Trigonometry 11 Online
OpenStudy (anonymous):

HELP me solve this!!!!!!!!!!!!!! *will give medal* Simplify the expression: (tan(1/2x)+tan(1/8x))/(1-tan(1/2x)tan(1/8x)) a. tan(3x/8) b. tan(5x/8) c. tan (-3x/8) d. tan (-5x/8)

OpenStudy (anonymous):

8=D

OpenStudy (anonymous):

B. Because \[\tan[ (1/2x)+(1/8x)]\] \[\tan (5/8x)\]

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