# Can (cos(x) +1)/(2*cos(x/2)) be simplified to cos(x/2)? If so, how? Wolfram alpha returned the simplified answer as cos(x/2).?

• Can (cos(x) +1)/(2*cos(x/2)) be simplified to cos(x/2)? If so, how? Wolfram alpha returned the simplified answer as cos(x/2).?

Can (cos(x) +1)/(2*cos(x/2)) be simplified to cos(x/2)? If so, how? Wolfram alpha returned the simplified answer as cos(x/2).?
Positive: 22 %
Can (cos(x) +1)/(2*cos(x/2)) be simplified to cos(x/2)? If so, how? Wolfram alpha returned the simplified answer as cos(x/2).? Find answers now! No. 1 ...
Positive: 19 %

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... x/(x^2+1); x (%o1 ... so the object can be garbage collected. Examples: ... (%o4) false (%i5) freeof (cos (a[1]), expr); (%o5 ...
Positive: 22 %
Essentials of Mathematica- With Applications to ... expression has been evaluated.1. Rule[x. 2 ] . y->a X + y / . We can ... 2 Cos[x] == Tan[x] .2 x'^2 .1 ...
Positive: 17 %
The engineering function step(x), is 0 if x 0 and 1 if x >= 0. You can right ... (2*cos(t) 2 - sin(t) 2 + x 2)/(2*cos ... λ = 1 and I[2] = (x-1)+i*y, λ ...