nickbikesosqm3q nickbikesosqm3q
  • 23-08-2017
  • Mathematics
contestada

(sint+cost)^2=

A.) 1
B.) 1+2sint
C.) 1+sin2t
D.) sin(t^2)+cos(t^2)
E.) sin(t^2)+2sintcost+cos(t^2)

Respuesta :

caylus
caylus caylus
  • 23-08-2017
Hello,

[tex](sin(t)+cos(t))^2=sin^2(t)+cos^2(t)+2sin(t)cos(t)=1+sin(2t)\\ [/tex]
Answer C.
Answer Link

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