Hello friends, I know, and there is this formula for the sum of sines: and there is one for the sum of cosines, I wonder if there is a similar to this: greetings
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Originally Posted by Dogod11 Hello friends, I know, and there is this formula for the sum of sines: and there is one for the sum of cosines, I wonder if there is a similar to this: greetings
thanks
Originally Posted by Dogod11 Hello friends, I know, and there is this formula for the sum of sines: and there is one for the sum of cosines, I wonder if there is a similar to this: greetings HI
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