Displacement - Calculating Magnitude and Direction

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A roller coaster moves 90 m horizontally and then travels 45 m at an angle of 45 degrees above the horizontal. Calculate both the magnitude and direction of its displacement from its starting point?

I hope it helps :)
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Thank you very helpful! My calculator is in degree mode but when I try to take the inverse cosine of that number it gives me an error message. Can you help with this?

jennifermeenahan
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how did you get the answer 14.64? i tried solving it on my calculator but I can't get 14.64 :(

kylamariemanacap