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chels
 5 years ago
simplify this expression
sec(x)cot(x)sin(2x)
chels
 5 years ago
simplify this expression sec(x)cot(x)sin(2x)

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myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0are we trying to show this equals something else?

chels
 5 years ago
Best ResponseYou've already chosen the best response.0nope, just trying to simplify it using identities

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Instead of sec(x) you can write 1/cos(x). Instead of cot(x), write cos(x)/sin(x). Instead of sin(2x), write 2*sin(x)*cos(x). Cancel like terms and out pops a clean new expression, that you will like. :)

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0thats not factorial by the way its an exclamation point

chels
 5 years ago
Best ResponseYou've already chosen the best response.0oh thanks! i've got more too haha

chels
 5 years ago
Best ResponseYou've already chosen the best response.0sin(2x)cos(5x) + cos(2x)sin(5x)

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0oh mine thats shat sin(2x+5x)

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0remember sin(x+y)=sinxcosy+sinycosx correct?

chels
 5 years ago
Best ResponseYou've already chosen the best response.0oh, yes! i forgot that identity since it didn't look that way to begin with.

chels
 5 years ago
Best ResponseYou've already chosen the best response.0where do i go once it's expanded?
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