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AP EAMCET Engineering 23 Sep 2020 Shift 1 Paper

Section: Mathematics
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Question : 2 of 160
 
Marks: +1, -0
If cos(θ1) + cos(θ2) + cos(θ3) + cos(θ4) = −4, then the value of cot(
θ1
2
) + cot(
θ2
2
) + cot(
θ3
2
) + cot(
θ4
2
) =
Validate
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