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OpenStudy (anonymous):
verify cot x sec^4x = cot x + 2 tan x + tan^3x
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OpenStudy (anonymous):
Hello, Welcome to Openstudy!!!!!
OpenStudy (anonymous):
http://www.wolframalpha.com/input/?i=verify+cot+x+sec^4x+%3D+cot+x+%2B+2+tan+x+%2B+tan^3x
OpenStudy (anonymous):
Happy Holidays!!!!!
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