Can you rearrange an equation like what i have done?
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Originally Posted by Karl Harder Can you rearrange an equation like what i have done? as long as each is a distinct constant factor, you sure can. you can also do this ...
Originally Posted by skeeter as long as each is a distinct constant factor, you sure can. you can also do this ... What maths principles did you use to get these answers. I have been trying to use the half angle formulas is this correct?
Originally Posted by Karl Harder What maths principles did you use to get these answers. I have been trying to use the half angle formulas is this correct? I used a double angle formula and a power reduction identity (derived from a double angle formula) ...
I'm still stuck on how you get this using the double angle formula?
Originally Posted by Karl Harder I'm still stuck on how you get this using the double angle formula? never mind i have found out that i can get the answer by using the proudct formula
Originally Posted by Karl Harder I'm still stuck on how you get this using the double angle formula? ... never mind i have found out that i can get the answer by using the proudct formula product formula? ...
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