Question on: JSS2 Mathematics - Angles
You are at the top of a 40-meter-high cliff and looking down at a boat that is 100 meters away from the base of the cliff. What is the angle of depression to the boat?
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Using the tangent function: tanā”(š)=heightĀ fromĀ theĀ object/distanceĀ toĀ theĀ object
tan ā”(š)=40/100
=0.4
To find the angle: š=tanā”ā1(0.4)
ā21.80ā
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