Answer:
degree x π/180 = radian
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1) -290° × π/180 = -5.061rad
3) 970° × π/180 = 16.93rad
5) 510° × π/180 = 8.901rad
7) 210° × π/180 = 3.665rad
9) 240° × π/180 = 4.189rad
11) -945° × π/180 = -16.49rad
13) 315° × π/180 = 5.498rad
15) -520° × π/180 = -9.076rad
17) 300° × π/180 = 5.236rad
19) 555° × π/180 = 9.687rad
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i hope this helps!