2016年3月15日 · How do you apply the fundamental identities to values of #theta# and show that they are true

2017年11月29日 · 0 pi in degree form =180 =cos(180/2) =cos(90) =0. How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle?

2018年1月13日 · #sin(x+i pi) = sinx cosh pi +i cosx sinh pi# Answer link. Related questions.

2016年7月1日 · How do you simplify hyperbolic function #cosh(lnt)#? Trigonometry Trigonometric Identities and Equations Fundamental Identities. 1 Answer

2016年7月22日 · This kind of integral can be straightforward solved using Moivre's identity. #e^{i x} = cos x + i sin x# so #int e^(3x)cosx dx = "Real"(int e^(3x)(cosx +i sin x)dx) # or

2018年4月27日 · How do you find MacLaurin's Formula for #f(x)=cosx# and use it to approximate #f(1/2)# within 0.01?

The derivatives of inverse trigonometric functions can be computed by using implicit differentiation followed by substitution.

2018年2月11日 · #ln(1+cosh(x))+C#, which is our final answer. We remove the absolute value from the logarithm because we note that #cosh# is positive on its domain so it's not necessary. …

2018年2月25日 · We haven't covered this in class yet, but I would like to know how to simplify this.

2017年8月19日 · pi/6(17sqrt17-1) Since we are rotating this solid around the y-axis, we are concerned with the x distance from the y-axis to the function. This relation is given by …