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ChristopherW28
 2 years ago
How do you factor sin^3x + cos^3x?
ChristopherW28
 2 years ago
How do you factor sin^3x + cos^3x?

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

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

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

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

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

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

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

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

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

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

myininaya
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0A is sin and b is cos

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

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

myininaya
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0I will have another question in a moment
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