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## Main Question or Discussion Point

i was trying to learn some trigonometry from some basics ...

after understanding terms like ,

f(x) = sin x , and

y = sin x ...

i was also getting sort of comfortable with the notations of functions ...

i was also wondering , where to improve from here ... ?

any good books , sites ? tutorials ... ?

after understanding terms like ,

f(x) = sin x , and

y = sin x ...

i was also getting sort of comfortable with the notations of functions ...

i was also wondering , where to improve from here ... ?

any good books , sites ? tutorials ... ?