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Trigonometrija zadatak

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Trigonometrija zadatak 03.07.2019. u 13:09 · pre 89 meseci #1

Uprostiti izraz:

(sin³+sin3x):sinx+(cos³x-cos3x):cosx

Re: Trigonometrija zadatak 03.07.2019. u 17:21 · pre 89 meseci #2

(sin³x+sin3x):sinx+(cos³x-cos3x):cosx

sin3x = 3sinx - 4sin³x
cos3x = cos³x - 3cosxsin²x

Potpis

Blessed are those who can laugh at themselves, for they shall never cease to be amused.

Re: Trigonometrija zadatak 03.07.2019. u 17:38 · pre 89 meseci #3

Jel rezultat 1.

Re: Trigonometrija zadatak 03.07.2019. u 21:03 · pre 89 meseci #4

Potpis

Blessed are those who can laugh at themselves, for they shall never cease to be amused.

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