Trigonometric Identities
12th grade
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Mathematics
3 hours ago
cfsts08
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20 QuestionsShow answers
  • Question 1
    45 seconds
    Q. What is csc(x) equivalent to?
    answer choices
    1/sin(x)
    1/tan(x)
    sin(x)
    1/cos(x)
  • Question 2
    45 seconds
    Q. Please select the correct solution
    answer choices
    csc2 x
    cot2 x
    sin2 x
    sec2 x
  • Question 3
    45 seconds
    Q. Please select the correct solution 
    cos 2 x + sin 2 x=  
    answer choices
    1
    csc 2 x + sec 2 x
    sin 2 x
    1 - sin 2 x
  • Question 4
    45 seconds
    Q. Please select the correct solution
    answer choices
    csc x
    sec x
    cot x
    tan x
  • Question 5
    300 seconds
    Q. Simplify
    answer choices
    sin²θ
    cosθ
    tanθ
    1- sin²θ
  • Question 6
    300 seconds
    Q. Simplify
    answer choices
    -1
    sin θ
    csc θ
    1
  • Question 7
    300 seconds
    Q.

    Simplify (Hint: you will need to FOIL first)

    answer choices

    sinθ

    cot²θ

    tan²θ

    cos²θ

  • Question 8
    300 seconds
    Q. Simplify
    answer choices
    secθ
    cos²θ
    sin²θ
    sin²θ/cos²θ
  • Question 9
    300 seconds
    Q. Simplify:
    (secx-1)(secx+1).  
    Hint: you will need to FOIL first
    answer choices
    tan2x
    sinx
    cot2x
    cosx
  • Question 10
    300 seconds
    Q. Simplify:  tanxcotx-cos2x
    answer choices
    tanx
    cotx
    sin2x
    cos2x
  • Question 11
    45 seconds
    Q. Is this a pythagorean identity?
    tan2x + 1 = secx
    answer choices
    Yes
    No
  • Question 12
    300 seconds
    Q. Simplify this to a basic trigonometry function:
    tan(x)csc(x) 
    answer choices
    tanx
    secx
    cotx
    cscx
  • Question 13
    45 seconds
    Q. tan(90⁰ -θ) x sin θ/cos θ = 
    answer choices
    1/2
    1/√2
    √3/2
    1
  • Question 14
    20 seconds
    Q. Solve the following for cos2θ:
    sin2θ + cos2θ = 1
    answer choices
    cos2θ = 1 - sin2θ
    cosθ = 1 + sin2θ
    cosθ = 1 - sinθ
    cos2θ = Adj/hyp
  • Question 15
    20 seconds
    Q. Solve the following for tan2θ:
    1 + tan2θ = sec2θ 
    answer choices
    tan2θ = sec2θ + 1
    tan2θ = sec2θ - 1
    tanθ = secθ - 1
    tan2θ = opp/adj
  • Question 16
    10 seconds
    Q. Rewrite tan(x) in terms of sin(x) and cos(x).
    answer choices
    tan(x) = cos(x)/sin(x)
    tan(x) = 1/cot(x)
    tan(x) = sin(x)/cos(x)
    tan(x) = opp/adj
  • Question 17
    10 seconds
    Q. What is csc(x) equivalent to?
    answer choices
    1/sin(x)
    1/tan(x)
    sin(x)
    1/cos(x)
  • Question 18
    30 seconds
    Q. Please select the correct solution
    answer choices
    csc2 x
    cot2 x
    sin2 x
    sec2 x
  • Question 19
    180 seconds
    Q. Simplify
    answer choices
    -1
    sin θ
    csc θ
    1
  • Question 20
    300 seconds
    Q. Simplify
    answer choices
    csc²θ
    sec²θ
    cscθ
    1
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