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Mathematics, 26.01.2020 07:31 ariloveshorses

Trig
asap i have to get a 5/5

two of the solutions of cos(x/2) = - square root 2/2

are
options for 1st solution
45
240
270
315

options for 2nd solution

225
315
450
630

Trig asap i have to get a 5/5 two of the solutions of cos(x/2) = - square

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