Weebly
Pythagorean Identity:Quotient Identity:Periodic Identities:Cofunction Identities:sin2x+cos2x=1tanx=sinxcosxsinx=sinx+2πcosx=cosx+2πtanx=tan?(x+π)sinx=cosπ2-xcosx=sinπ2-xtanx=cotπ2-xReciprocal Identities:Parity Identities:cscx=1sinxsinx=1cscxsin-x=-sinxcsc-x=-cscxsecx=1cosxcosx=1secxcos-x=cosxsec-x=secxcotx=1tanxtanx=1cotxtan-x=-tanxcot-x=-cotxCompound Angle Identities:sinx+y=sinxcosy+cosxsinysinx-y=sinxcosy-cosxsinycosx+y=cosxcosy-sinxsinycosx-y=cosxcosy+sinxsinytanx+y=tanx+tany1-tanxtanytanx-y=tanx-tany1+tanxtanyDouble Angle Identities:sin2x=2sinxcosxcos2x=cos2x-sin2x=2cos2x-1=1-2sin2xtan2x=2tanx1-tan2x ................
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