Without using a calculator, evaluate the following expression.  tan 1tan-1 12

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter4: Graphing And Inverse Functions
Section4.7: Inverse Trigonometric Functions
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Without using a calculator, evaluate the following expression.

 tan 1tan-1 12

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