40 9 If the pointP (4) is the terminal point of t on the unit circle, fin 41 41 value of tant and sect. O tant tant = O tant tant = = 40 9 40 ; sect = 9 40 ; sect = 41 9 40; sect = 40 9 ; sect = 41 41 40

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A:

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A:

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A:

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A:

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