If cosx = siny and cot ( x 40 ) = tan (50 y), then the values of – McqOptions

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1.	If cosx = siny and cot ( x 40 ) = tan (50 y), then the values of x and y are :
A.	x = 70 , y = 20
B.	x = 75 , y = 15
C.	x = 85 , y = 5
D.	x = 80 , y = 10
Answer» D. x = 80 , y = 10

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