Question 208934
both  are  45 degrees,,,,,which  has  sides 1-1-sqrt2,,,or  sqrt2-sqrt2-2
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check,  cot =1/1,,,,ok
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cos = 1/sqrt2 or sqrt2/2
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ok
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since  tan/cot positive  in  quadrant 3,  (a) could  also  be  225  degrees
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and  since  cos  is  positive  in  quadrant  4, (b)  could also be 315 degrees