AM-2476

Trigonometric models

A Math · Secondary 4 · Hard · Trigonometric models

1. $t=\dfrac{\pi}{6},\dfrac{5\pi}{6}$
2. $t=\dfrac{\pi}{3},\dfrac{2\pi}{3}$
3. $t=\dfrac{\pi}{6},\dfrac{7\pi}{6}$
4. $t=\dfrac{\pi}{4},\dfrac{3\pi}{4}$

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