Using five significant figures in the computations, determine d(sinx)/dx at x = 0.8 from a) the first forward difference approximation and b) the first central approximation. In each case, use h that gives the most accurate result(this requires experimentation).

Q: How do I parameterize the portion from Rei pi/4 to 0?

A:

Q: The relative error in reading a galvanometer is given by tanx + cotx, where x is the angular…

A:

Q: Find sin(a), given that cos(a) = 2/5 and sin(a) < 0.

A: As we know that, the trigonometric identity: sin2θ+cos2θ=1 Given: cosa=25

Q: Find an approximation using linearization techniques. Please do not use the table of values.…

A: Given, Using the linearization technique to find the  approximate value of sin (3.19)