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Look at picture please help !!!
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1 vote
Look at picture please help !!!

Look at picture please help !!!-example-1
User Mehdi Bouzidi
by
4.8k points

1 Answer

1 vote

Answer:

cos(x/2)= -√2/2

x/2=135

x=135(2)

x=270

0 degree

User Orellabac
by
4.7k points
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