# show that tan 48 tan 23 tan 67=1

Your query seems to be incomplete.However I am providing you the link of the similar question

https://www.meritnation.com/ask-answer/question/tan-48-tan23tan-42-tan-67-1-solve-it-and-tell-me-y-we-dont-c/introduction-to-trigonometry/11468629

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