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Can anybody help me plzz my ques. Istan 3x tan 2x tan x = tan 3x - tan 2x - tan x |
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Answer» Thank u prerna Tan3x=(2x+x)Therefore,tan3x=tan2x+tanx/1-tan2xtanx,.....cross multiply .....tan3x-tan3xtan2xtanx=tan2x+tanx......hence tan3xtan2xtanx=tan3x-tan2x- tanx |
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