Establish each Identity

58. Sinxcosx tanx
________ = _______
cos^2x - sin^2x 1- tan^2x

60. Sinx - cosx +1 sinx + 1
___________ = _______
sinx +cosx -1 cosx

62. Secx - cosx sin^2x
___________ = _______
secx + cosx 1+ cos^2x

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If you do not know the identities, use this to help you:

Table of Trigonometric Identities (http://www.sosmath.com/trig/Trig5/trig5/trig5.html)