La secante es 1/cos (a), por lo tanto
sec(a)=2 es
2= 1/cos(a)
cos(a)= 1/2
a=cos(-) (1/2) = 60
La cotangente es 1/ tan (b),
1/tan(b) = 3/2
tan (b) = 2/3
b=tan(-) (2/3)
b= 33.69
Sen(a-b)= sen(60-33.69)=0.44
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La secante es 1/cos (a), por lo tanto
sec(a)=2 es
2= 1/cos(a)
cos(a)= 1/2
a=cos(-) (1/2) = 60
La cotangente es 1/ tan (b),
1/tan(b) = 3/2
tan (b) = 2/3
b=tan(-) (2/3)
b= 33.69
Sen(a-b)= sen(60-33.69)=0.44