Math, asked by gautampaul2k19, 9 months ago

8.
x tan 30° + y cot 60º = 0 47 2x - y tan 45º = 1​

Answers

Answered by shalu8768
2

Answer:

tan45 = 1

⇒tan 30° =1/√3

⇒cot 60º =1/√3

⇒ xtan30 + ycot60 = 0

⇒x(1/√3) + y(1/√3) = 0

⇒x+y/3 =0

⇒ x + y = 0

⇒ x = -y

⇒ 2x-ytan45° = 1 ( bcz tan45°=1)

⇒ 2(-y)-y(1) = 1

⇒ -3y = 1

⇒y=-1/3

⇒x = 1/3

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