How do i solve this trigonometry question:
sin(x+y)=cos(x-y)
tgx-tgy=1
...
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Mathematics, 02.12.2019 08:31 xrenay
How do i solve this trigonometry question:
sin(x+y)=cos(x-y)
tgx-tgy=1
solve soon!
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Answers: 3
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