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Earn +20 ptsQ: What is the tangent of -1?
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What is the Tangent of 0.4375?
It is: tan^-1(0.4375) = 23.62937773 degrees
How many points does a tangent line touch a circle?
1
What is the function which outputs an angle when a tangent value is input?
The inverse tangent, also called the arc-tangent.
What is inverse tangent?
It is a function which maps the tangent ratio - any real value - to an angle in the range (-pi/2, pi/2) radians. Or (-90, 90) degrees.If tan(x) = y then x is the inverse tangent of y.It is also known as "arc tangent", and spreadsheets, such as Excel, use "atan" for this function.Warning:1/tangent = cotangent is the reciprocal, NOT the inverse.
If the line tangent to the graph of the function f at the point 1 7 passes through the point -2 -2 then f prime of 1 is?
3 f'(1) is the slope of the tangent line of the curve at x=1. Because the tangent line at x=1 goes through (1,7) and (-2,-2), its slope is (7-(-2))/(1-(-2))=9/3=3. So f'(1)=3.
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