Express $(1-sin^2x)/cosx$ in terms of sine ratio of $x$ and / or its multiples?

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Answer 1 · 2017-01-03T07:56:10

Please see below.

$(1 - sin^2 x)/(cosx)$

= $cos^2x/cosx$

= $cosx$

= $(2sinxcosx)/(2sinx)$

= $(sin2x)/(2sinx)$

Express (1-sin^2x)/cosx(1-sin^2x)/cosx in terms of sine ratio of xx and / or its multiples?