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We can start with the identity sin2(x)+cos2(x)=1 If we divide through the equation by cos2(x), we get: sin2(x)/cos2(x) + cos2(x)/cos...
To get the required tangent equation we need its gradient and the coordinates of a point it passes through. We can then substitute it into the formula y - y1 = m(x - x1). 1. ...
You use integration by parts if there's more than one function of x. For example; to integrate xsin(x) you'd use integration by parts as this is two functions of x. The formula to remember is I(udv) =...
C+5p = a (c-p)
C+5p = ac-ap
5p+ap=ac-c
p(5+a) = c(a-1)
p=(c(a-1))/(5+a)
r=0.0.x.
r=0.0x0x0x0x....
100r=x.0x0x0x (1)
10,000r=x0x.0x0x0x (2)
(2) - (1): 9,900r=x00
EEAnswered by Ellie E. • Maths tutor12972 Views
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