Please Help Me!!!!
Simplify: (sin Θ − cos Θ) − (sin Θ + cos Θ)2?
a. -sin^2Θ
b. -cos2Θ
c. 0
d. -2sin(Θ)cos(Θ)-cos(Θ)+sin(Θ)-1

Question

01-07-2016
Mathematics

contestada

Please Help Me!!!!
Simplify: (sin Θ − cos Θ) − (sin Θ + cos Θ)2?
a. -sin^2Θ
b. -cos2Θ
c. 0
d. -2sin(Θ)cos(Θ)-cos(Θ)+sin(Θ)-1

Respuesta :

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NiedzielnyMatematyk NiedzielnyMatematyk · Answer 1 · 2016-07-03T14:27:46+02:00

NiedzielnyMatematyk NiedzielnyMatematyk

03-07-2016

[tex](\sin\theta -\cos\theta) - (\sin\theta+\cos\theta)^2 = \sin\theta-\cos\theta+\\-(\sin^2\theta+\cos^2\theta+2\sin\theta\cos\theta) = \sin\theta-\cos\theta-(1+2\sin\theta\cos\theta)=\\=\boxed{-2\sin\theta\cos\theta-\cos\theta+\sin\theta-1}[/tex]

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Please Help Me!!!! Simplify: (sin Θ − cos Θ) − (sin Θ + cos Θ)2? a. -sin^2Θ b. -cos2Θ c. 0 d. -2sin(Θ)cos(Θ)-cos(Θ)+sin(Θ)-1

Respuesta :

Otras preguntas

Please Help Me!!!!
Simplify: (sin Θ − cos Θ) − (sin Θ + cos Θ)2?
a. -sin^2Θ
b. -cos2Θ
c. 0
d. -2sin(Θ)cos(Θ)-cos(Θ)+sin(Θ)-1