=+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