Trigonometric Equations and Identities (original) (raw)

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

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

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]

If cos θ = 0.6, what is cos 2θ?

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

• [Tex](\cos \theta) [/Tex]

There are 5 questions to complete.

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