If cos x = sin y and cot (x - ­35°) = tan (35°­ - y), then the value of x and y are

If cos x = sin y and cot (x - ­35°) = tan (35°­ - y), then the value of x and y are
1). x = 90°, y = 0°
2). x = 75°, y = 15°
3). x = 85°, y = 5°
4). x = 80°, y = 10°

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