# If x tan 30° + y cot 60° = 0 and 2x – y tan 45° = 1, then let us write, by calculating the values of x and y.

tan45 = 1

xtan30 + ycot60 = 0

= 0

x + y = 0

x = -y

2x-ytan45 = 1

2(-y)-y(1) = 1

-3y = 1

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