Asked by Cassandra
Can you please help with this trig question:
The angle of elevation to the top of a nearby mountain is 46 degrees. After walking 1 km toward the mountain, you determine the angle of elevation to be 68 degrees. How high is the mountain?
Thank you for all your help.
The angle of elevation to the top of a nearby mountain is 46 degrees. After walking 1 km toward the mountain, you determine the angle of elevation to be 68 degrees. How high is the mountain?
Thank you for all your help.
Answers
Answered by
Steve
as usual draw a diagram. If the height is x, then from distance x,
x/h = cotθ
so,
h cot 48° - h cot 68° = 1
x/h = cotθ
so,
h cot 48° - h cot 68° = 1
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