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Can I enter identity solution in trig and give me answer?

asked 2015-04-12 19:33:13 +0200

(sin x - cos x)^2

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answered 2015-04-12 20:09:43 +0200

god.one gravatar image

updated 2015-04-12 20:14:40 +0200

Hi,

it is possible, just try

var('x')
((cos(x)-sin(x))^2).trig_simplify()

which will result in

-2*cos(x)*sin(x) + 1

since sin(x)^2+cos(x)^2=1 (I think you mean this formula with the trigonometric identity).

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Asked: 2015-04-12 19:33:13 +0200

Seen: 1,220 times

Last updated: Apr 12 '15