Mathematics, 23.04.2020 05:53, culbertchristi6111

The terminal side of angle lies in Quadrant III and the terminal side of angle lies in Quadrant IV. If tan a = 4/9 and cot β = −2/7 , find the EXACT value of sin ( a−b ) .

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The terminal side of angle lies in Quadrant III and the terminal side of angle lies in Quadrant IV....