Спрощення тригонометричних виразів

1-2sin² x

sin x*cos x

2 sin x* cos x

2 cos²x - 1

1/2 (cos (x-y) + cos (x+y) )

1/2 (sin(x-y) + sin(x+y))

1/2(cos(x-y) - cos(x+y))

1/2(sin(x-y) - sin(x+y))

sin 4x

sin 2x

sin(60°-x)

sin 3x

sin x

cos x

- cos x

- sin x

1- 2 sin^2 (x)

4 cos^3(x) - 3 cos x

4 cos x - 3 cos^3 (x)

2 cos^2 (x) - 1

cos(x-y)

sin(x-y)

cos(x+y)

sin(x+y)

1/2(1+sin 2x)

1/2(1- sin 2x)

1/2(1 - cos 2x)

1/2(1+cos 2x)

tg x

- ctg x

ctg x

- tg x

sin x - sin y

cos x+ cos y

cos y - cos x

cos x- cos y

1/2

2

-1

1