Pre Calculus

A 40-foot flagpole casts a 30-foot shadow. How do you Find o, the angle of elevation?

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  1. tan o = 40/30 = 4/3
    use your calculator to find o = appr 53°

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  2. Thank you. What do I press in my calculator to find o?

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  3. On most this should work:
    4 ÷ 3 =
    2ndF tan =
    you should get 53.1301....

    or try this
    2ndF tan (4÷3) =

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