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26-06-2022
Mathematics

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Which is not a solution of sin 20 = 1?
A = 90
B = 45
C = 225
D = - 135

Which is not a solution of sin 20 1 A 90 B 45 C 225 D 135 class=

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GTjackets09 GTjackets09

26-06-2022

If you plug in 90 into theta, the expression becomes sin(180), which has a value of zero. Therefore 90 cannot be a solution to this equation. Hope this helps.

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