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cosx + sinx + tanx = secx verify this

0 votes

using trig identities

trigonometric-identities

asked Nov 30, 2013 in TRIGONOMETRY by homeworkhelp Mentor

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1 Answer

0 votes

The left hand side identity

= Cosx+Sinx+Tanx

= (Cosx+Sinx+Sinx)/Cosx

= (Cos^2x+SinxCosx+Sinx)/Cosx

Cosx+Sinx+Tanx is not equals to secx.

answered Jan 30, 2014 by david Expert

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