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sin(a+b)=

cos(a+b)=

(a+b)^2

 Aug 29, 2015

Best Answer 

 #1
avatar+238 
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sin(a+b)=sina*cosb+cosa*sinb

cos(a+b)=cos A*cos B − sin A*sin B

(a+b)^2=a^2+b^2+2ab

for more FORMULA  click below link

http://www.math.utah.edu/~gupta/MATH1060Fall2012/FormulaSheet.pdf

 Aug 29, 2015
 #1
avatar+238 
+5
Best Answer

sin(a+b)=sina*cosb+cosa*sinb

cos(a+b)=cos A*cos B − sin A*sin B

(a+b)^2=a^2+b^2+2ab

for more FORMULA  click below link

http://www.math.utah.edu/~gupta/MATH1060Fall2012/FormulaSheet.pdf

matsunnymat Aug 29, 2015

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