SOLUTION: i'm a beginner and asking the following question to the respected tutors : what is the maximum value of 'sinA.cosA' ? please answer me with a good basic description ..... i don

Algebra ->  Trigonometry-basics -> SOLUTION: i'm a beginner and asking the following question to the respected tutors : what is the maximum value of 'sinA.cosA' ? please answer me with a good basic description ..... i don      Log On


   



Question 862556: i'm a beginner and asking the following question to the respected tutors :
what is the maximum value of 'sinA.cosA' ?
please answer me with a good basic description ..... i dont know functioning ...

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
the maximum value of 'sinA.cosA' =1/2
This occurs when A=45˚
sin45*cos45=√2/2*√2/2=2/4=1/2
The best way to see this is to plot sinx*cosx on a computer graphics program.