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Please help, trigonometry is hard for me

Please help, trigonometry is hard for me
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2 votes
Please help, trigonometry is hard for me

Please help, trigonometry is hard for me-example-1
User Nawaab Saab
by
8.7k points

1 Answer

3 votes

Because the cos theta < 0 then theta must be an obtuse angle

so a^2 + b^2 < a^2

C

User Wujo
by
8.4k points
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