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ChristopherW28
 one year ago
How do you factor sin^3x + cos^3x?
ChristopherW28
 one year ago
How do you factor sin^3x + cos^3x?

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myininaya
 one year ago
Best ResponseYou've already chosen the best response.1Do you know how to factor a sum of cubes?

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1There is a cute formula for it.

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1\[a^3+b^3=(a+b)(a^2ab+b^2)\]

ChristopherW28
 one year ago
Best ResponseYou've already chosen the best response.0Looks cute lol thank you

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1lol. Do you know how to use it with the trig functions?

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1\[(\sin(x))^3+(\cos(x))^3=a^3+b^3 \]

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1should be easy for you to determine what is a and what is b.

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1if it isn't then let me know so i can explain further

ChristopherW28
 one year ago
Best ResponseYou've already chosen the best response.0I've got the equation down but what to do first?

ChristopherW28
 one year ago
Best ResponseYou've already chosen the best response.0Do I multiply what's in the parenthesis?

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1tell me what a is and what b is based on what I wrote above

ChristopherW28
 one year ago
Best ResponseYou've already chosen the best response.0A is sin and b is cos

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1\[(\sin(x))^3+(\cos(x))^3=a^3+b^3 \]

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1ok so just go to the other side of the formula and replace a with sin(x) and replace b with cos(x) and then you are done don't do nothing more

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1ok then you are done sir

myininaya
 one year ago
Best ResponseYou've already chosen the best response.1\[a^3+b^3=(a+b)(a^2ab+b^2) \] everywhere we seen an a we put sin(x) everywhere we seen a b we put cos(x)

ChristopherW28
 one year ago
Best ResponseYou've already chosen the best response.0I will have another question in a moment
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