Q. 84.9( 12 Votes )

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.

Answer :

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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