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https://socratic.org/questions/the-position-of-an-object-moving-along-a-line-is-given-by-p-t-sin-2t-pi-4-2-what

https://socratic.org/questions/the-position-of-an-object-moving-along-a-line-is-given-by-p-t-sin-2t-pi-3-2-what-1

https://socratic.org/questions/the-position-of-an-object-moving-along-a-line-is-given-by-p-t-sin-2t-pi-8-2-what

https://socratic.org/questions/what-is-the-instantaneous-velocity-of-an-object-moving-in-accordance-to-f-t-sin--2

https://socratic.org/questions/the-position-of-an-object-moving-along-a-line-is-given-by-p-t-sin-3t-pi-4-2-what

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t=\sin(\frac{\pi }{2}-\frac{\pi }{3})

Ophæv den største fælles faktor 4 i 2 og 4.

t=\sin(\frac{1}{6}\pi )

Kombiner \frac{\pi }{2} og -\frac{\pi }{3} for at få \frac{1}{6}\pi .

t=\frac{1}{2}

Hent værdien af \sin(\frac{1}{6}\pi ) fra trigonometriske værditabeller.

Eksempler

Kvadratisk ligning

Lineær ligning

Samtidig ligning

Differentiering