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Answer the question no 1 to 5 from he o...

Answer the question no 1 to 5 from he options : (Each of 1 mark)
`|{:(sin40^@,-cos40^@),(sin50^@,cos50^@):}|="........."`

A

0

B

1

C

-1

D

not exist

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Knowledge Check

  • (sin(70^(@))+cos(40^(@)))/(cos(70^(@))+sin(40^(@)))= ..........

    A
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