Trigonometry Questions

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Questions and Answers

What is the radian measure of an angle of 90°?

  • Ï€
  • Ï€/3
  • Ï€/4
  • Ï€/2 (correct)

If θ is an angle in standard position and P(-3, -5) is on the terminal side of θ, what is the value of cosθ?

  • -3/√58 (correct)
  • -5/√58
  • -5/√34
  • -3/√34

If tanθ = 21/10, what is the value of sinθ?

  • 21/25
  • 15/25 (correct)
  • 10/25
  • 15/21

If cscθ = 4.872, what is the value of sinθ?

<p>0.975 (D)</p> Signup and view all the answers

In which quadrant is the terminal side of θ if sinθ is positive and cosθ is negative?

<p>II (C)</p> Signup and view all the answers

What is the value of secθ if θ is an angle in standard position and P(-2, 4) is on the terminal side of θ?

<p>2/√20 (D)</p> Signup and view all the answers

If θ is an angle with measure 289°, what is the reference angle?

<p>71° (B), 71° (D)</p> Signup and view all the answers

What is the value of cos(5.84 rad) if cosθ = 0.222?

<p>0.222 (B)</p> Signup and view all the answers

In which quadrants is the terminal side of θ if tanθ is positive and secθ is negative?

<p>II and IV (D)</p> Signup and view all the answers

What is the value of cotθ if θ is an angle with measure 103°?

<p>-2.37 (B)</p> Signup and view all the answers

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