daltonfulkerso daltonfulkerso
  • 04-09-2018
  • Mathematics
contestada

Simplify this expression: cos t(sec t − cos t)

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sqdancefan
sqdancefan sqdancefan
  • 04-09-2018

[tex]\cos{t}(\sec{t}-\cos{t})=\dfrac{\cos{t}}{\cos{t}}-(\cos{t})^2=1-(\cos{t})^2\\\\=\sin^{2}{t}[/tex]

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skydreammer50923
skydreammer50923 skydreammer50923
  • 12-10-2021

Answer:

Yes! Option D is the correct answer

Step-by-step explanation:

D.  sin^2t

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