Question: 1. A triangle has sides equal to 4m, 11m and 8 m. Find the angles (round answers to nearest whole degrees) 2. find the exact

1. A triangle has sides equal to 4m, 11m and 8 m. Find the angles (round answers to nearest whole degrees)

2. find the exact values: sin 285degree and tan13*180/12

3.sinx=1/2 and x is in the second quadrant, cos y = 3/5 and y is in the fourth quadrant. find the exact value of cos (x+y).

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