trigonometry help | Mathematics | Page 1

marsh egret Jan 24, 2026, 1:14 AM

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a 40-foot tall monument sits on top of a hill. Pete is standing at a point on the hill and observes the top of the monument at an angle of elevation of 50 degrees and the bottom of the monument at an angle of elevation of 22 degrees. Find the distance Pete must climb to reach the monument

latent rockBOT Jan 24, 2026, 1:14 AM

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marsh egret Jan 24, 2026, 1:14 AM

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I'm confused on how to draw this, and why.

deft cipher Jan 24, 2026, 1:15 AM

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What have you tried?

marsh egret Jan 24, 2026, 1:30 AM

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deft cipher What have you tried?

NOTHING

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idk how to start

marsh egret Jan 24, 2026, 1:41 AM

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deft cipher What have you tried?

can u help

dusky jolt Jan 24, 2026, 3:32 AM

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draw a sketch in jspaint

small scarab Jan 24, 2026, 5:26 AM

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Somebody correct me if I’m wrong

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So the angle facing the building is 28 degrees

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So then u use the sin rule

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So sin 28/ 40 ft = sin 40 / the distance u need to find

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Now solve that ig

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Does that make sense?

marsh egret Jan 24, 2026, 6:32 PM

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small scarab Does that make sense?

i dont get it still

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isnt it like this:

peak garden Jan 25, 2026, 12:42 AM

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Use SOHCAHTOA

gentle drift Jan 25, 2026, 12:53 AM

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Use sine rule

small scarab Jan 25, 2026, 4:29 AM

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marsh egret isnt it like this:

Yeah exactly u got it

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So we know the angle 28 is facing 40 ft

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And the angle 40 which you’ve drawn is facing the distance which u need

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So if we use sin rule

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40 / sin28 = distance / sin40

small scarab Jan 25, 2026, 4:31 AM

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peak garden Use SOHCAHTOA

We can’t use in this case, it’s not a distance in the right triangle which we have to find

peak garden Jan 25, 2026, 4:31 AM

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Ok

marsh egret Jan 25, 2026, 8:38 PM

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small scarab We can’t use in this case, it’s not a distance in the right triangle which we ha...

why is it a 90 degree angle

#trigonometry help