>> % Question 1
>> q1a = 123/456
q1a =
0.2697
>> q1b = log(5)
q1b =
1.6094
>> q1c = log10(5)
q1c =
0.6990
>> q1d = tan(6)
q1d =
-0.2910
>> q1e = 71/3
q1e =
23.6667
>> q1f = exp(8)
q1f =
2.9810e+03
>> q1g = sin((2*pi)/3)
q1g =
0.8660
>> q1h = sin(cos(9))
q1h =
-0.7902
>> q1i = exp(2*sqrt(3*sin(4+log10(5))+6)-7)+8
q1i =
8.0291
>> % Question 2
>> r = 6; A=pi*r^2
A =
113.0973
>> % Question 3
>> help acos
acos Inverse cosine, result in radians.
acos(X) is the arccosine of the elements of X. Complex
results are obtained if ABS(x) > 1.0 for some element.
See also cos, acosd.
Documentation for acos
Other uses of acos
>> a=1/2; acos(a)/pi
ans =
0.3333