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bazaltina [42]
3 years ago
6

Which of the following did NOT help change mapmaking in the 20th century?

Advanced Placement (AP)
1 answer:
PilotLPTM [1.2K]3 years ago
6 0
B. Hot air balloons
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The first thing you have to realize is that tangent is the slope of a curve on a given point. You can solve for the slope by finding the derivative of the given function. So:

\frac{d}{dx} xsin(x)

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= [sin(x)] + [x*cos(x)]

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= [sin(  \frac{ \pi}{2} )] +[ \frac{\pi}{2}*cos( \frac{\pi}{2})]
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