C4 Numerical integration (trapizium rule)
Use trapezium to find value of integral (arcsinx)2 dx
So arcsinx = sin-1x
So (arcsinx)2 = (sin-1x)2 = sin-2x
Is this correct? If so to type sin-2x into calculator would it be sinx-2
So arcsinx = sin-1x
So (arcsinx)2 = (sin-1x)2 = sin-2x
Is this correct? If so to type sin-2x into calculator would it be sinx-2
Original post by i2pm
Use trapezium to find value of integral (arcsinx)2 dx
So arcsinx = sin-1x
So (arcsinx)2 = (sin-1x)2 = sin-2x
Is this correct? If so to type sin-2x into calculator would it be sinx-2
So arcsinx = sin-1x
So (arcsinx)2 = (sin-1x)2 = sin-2x
Is this correct? If so to type sin-2x into calculator would it be sinx-2
In this case -1 is not a power so NO
Original post by i2pm
How would you do this part then? I'm completely lost
Which "part"?
Your calculator can give you the value of arcsin x, which you then square to get the values you want.
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