Trig Identities
31
= + x csc 1 x sec 1 2 2
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Transcript of Trig Identities
=+xcsc
1xsec
122
=+ xsinxcos 22
1
=cosxxcotxsin2
=•
cosxsinxcosxxsin2
=cosx
sinxcosx
sinx
=+ xcosxcosxsin 32
=+ x)cosxcosx(sin 22
=•1cosx
cosx
=+2sinxcosxsinx)-(cosx 2
=+2sinxcosxsinx)-sinx)(cosx-(cosx
=++ 2sinxcosxxsincosxsinx-sinxcosx-xcos
2
2
=++ 2sinxcosxxsin2sinxcosx-xcos 22
=+ xsinxcos 22
1
=+
+sinx1
cosxtanx
=+
+sinx1
cosxcosxsinx
=+
+++
sinx)cosx(1xcos
sinx)cosx(1sinx)sinx(1 2
=+
++sinx)cosx(1
xcossinx)sinx(1 2
=+
++sinx)cosx(1
xcosxsinsinx 22
=++sinx)cosx(1
sinx 1
=cosx1
secx
=++cotxcosxcotxsinxtanxsinxtanxcosx
=++cosx)cotx(sinxsinx)tanx(cosx
=cotxtanx
=
tanx1
tanx
=•1
tanxtanx
xtan2
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