Trigonometric Equations and Identities

Last Updated :
Discuss
Comments

Question 1

Which of the following is equivalent to [Tex] (\sin^2 \theta + \cos^2 \theta)[/Tex]

  • 1

  • 0

  • [Tex]\sin \theta[/Tex]

  • [Tex]\cos \theta[/Tex]

Question 2

Which value of (x) satisfies the equation (sin x = 0) within the interval ([0, pi])?

  • 0

  • [Tex]\frac{\pi}{2}[/Tex]

  • (pi)

  • Both A and C

Question 3

Which value satisfies the equation [Tex] (cos 2\theta = \frac{1}{2})[/Tex]?

  • [Tex](\frac{\pi}{6}, \frac{5\pi}{6})[/Tex]

  • [Tex](\frac{\pi}{3}, \frac{2\pi}{3})[/Tex]

  • [Tex](\frac{\pi}{4}, \frac{3\pi}{4})[/Tex]

  • [Tex](\frac{\pi}{3}, \frac{5\pi}{3})[/Tex]

Question 4

If cos θ = 0.6, what is cos 2θ?

  • 0.2

  • 0.64

  • -0.28

  • 0.28

Question 5

What is [Tex]\tan \theta \cdot \cot \theta[/Tex] equal to?

  • 1

  • 0

  • [Tex](\sin \theta)[/Tex]

  • [Tex](\cos \theta) [/Tex]

There are 5 questions to complete.

Take a part in the ongoing discussion