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    Sorry for the bad quality. I need help with this question Name:  ptEaMeGk-1.jpg-large.jpeg
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    Since AD = 13m and ABCD is a rectangle, BC = 13m. Which function links the adjacent, hypotenuse and the angle?
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    you dont need inverse trig for this, you use inverse trig to find an angle when you have 2 sides.
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    As its a rectangle length BC is 13m.

    So cos(74) = 13/BD

    Rearrange to 13/cos(74) = BD and you find that BD = 47.2
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    (Original post by Edgemaster)
    Since AD = 13m and ABCD is a rectangle, BC = 13m. Which function links the adjacent, hypotenuse and the angle?
    COS
 
 
 
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