Question about Super Tutor Trigonometry (ESDTRIG) for PC

# Angle of depression

I need an illustration and solution..plss..

Lauren was standing on the pier at the beach approach trying to find her sister. She spotted her at the water’s edge at an angle of depression of 28°. If the pier is 5 yards above the sand, how far down the beach is Lauren’s sister?

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• Expert

ð XAC = ð ACB (Angle of elevation= Angle of depression)
AB = 5 Yards
BC = ?
Now Tan C= AB/BC
BC = AB/ Tan C
BC = 5 / Tan 28 Yards
BC = 5/.531709 Yards
BC = 9.403632 Yards

Posted on Jan 10, 2009

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Try checking this site for information on Angles of Depression and Elevation.

Posted on Feb 23, 2011

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Posted on Jan 02, 2017

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