In a right triangle abc if the leg a 9 and the leg b 6


One of the forms of the law of cosines says that b² = a² + c² - 2ac cos B.

In a right triangle ABC, if the leg a = 9 and the leg b = 6 what is the angle A to the nearest minute.

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Mathematics: In a right triangle abc if the leg a 9 and the leg b 6
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