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Mathematics, 10.12.2020 01:10 milonirishovnsez

Please help timmed Write the given expression as a single trigonometric function.
Tan(3pi/7)-tan2pi/5 over 1+tan3pi/7)tan(2pi/5)

A)Tan(pi/35.
B) tan 29pi/35.
C) wrong
d) tan 31pi/35

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Please help timmed Write the given expression as a single trigonometric function.
Tan(3pi/7)-...
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