Kai Chew's answer to camille tan's Junior College 1 H2 Maths Singapore question.
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i) use the trigonometric equation, for which sin^2 (x) + cos^2 (x) = 1.
ii) use GC to find graph using parametric function
iii) the point at which the graph intersects the x axis is the point where the tangent is parallel to the y axis.
How I found t value:
x = sin^2 (pi/2) = 0
y= 3cos(pi/2) = 0
ii) use GC to find graph using parametric function
iii) the point at which the graph intersects the x axis is the point where the tangent is parallel to the y axis.
How I found t value:
x = sin^2 (pi/2) = 0
y= 3cos(pi/2) = 0
Date Posted:
1 year ago
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