sin 2x, cos 2x, and tan 2x
![SOLVED: 'Find the exact value without a calculator. Tan 7pi/12=sin7pi/6/2 /cos7pi/6/2 Find the exact value, without a calculator: 7n L6 7n sin tan 2 12 7n L6 cos 2 [? ] + Enter Done'](https://cdn.numerade.com/ask_images/0efce06a20e1422f8ff945efb6dbe06f.jpg "SOLVED: 'Find the exact value without a calculator. Tan 7pi/12=sin7pi/6/2 /cos7pi/6/2 Find the exact value, without a calculator: 7n L6 7n sin tan 2 12 7n L6 cos 2 [? ] + Enter Done'")
SOLVED: 'Find the exact value without a calculator. Tan 7pi/12=sin7pi/6/2 /cos7pi/6/2 Find the exact value, without a calculator: 7n L6 7n sin tan 2 12 7n L6 cos 2 [? ] + Enter Done'
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