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The radian measure of an angle of –260° is(A) \((\frac{-13\pi}{12})^c\)(B) \((\frac{-13\pi}{9})^c\)(C) \((\frac{-12\pi}{9})^c\)(D) \((\frac{-26\pi}{9})^c\) |
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Answer» (B) \((\frac{-13\pi}{9})^c\) -260° = \((-260\times\frac{\pi}{180})^c\) = \(\frac{-13\pi}{9}^c\) |
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