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in Trigonometry by (65.5k points)

State whether the following are true or false. Justify your answer.

sin θ = cos θ for all values of θ.

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False. 

sin 30° = \(\frac{1}{2}\) cos 30° = \(\frac{\sqrt 3}{2}\)

sin 30° ≠ cos 30° 

But sin 45° = cos 45° = \(\frac{1}{\sqrt 2}\)

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