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Flag Trigonometry> solve the equation: cos3x+cos(2x-7x/6) = ...
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solve the equation: cos3x+cos(2x-7x/6) = -2 ? tell me the answer as fast as you can... thanks for the answer afterwards?

Shwetanshu Sood , 7 Years ago
Grade 11
anser 1 Answers
Saurabh Koranglekar

Last Activity: 4 Years ago

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