davisj4544
davisj4544 davisj4544
  • 03-07-2019
  • Mathematics
contestada

If cosine theta equals one over six, what are the values of sin θ and tan θ?

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sqdancefan
sqdancefan sqdancefan
  • 03-07-2019

Answer:

  • sin θ = (√35)/6
  • tan θ = √35

Step-by-step explanation:

The trig identities are helpful for this.

  sin² θ = 1 - cos² θ = 1 -(1/6)² = 35/36

  sin θ = (√35)/6 . . . . . . take the square root

__

  tan² θ = sec² θ -1 = (1/cos² θ) -1 = 6² -1 = 35

  tan θ = √35 . . . . . . . . . take the square root

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