If sinx1+sinx2+sinx3=3,The value of cosx1+cosx2+cosx3?Show the solution
If sinx1+sinx2+sinx3=3,The value of cosx1+cosx2+cosx3?Show the solution
Nimish Singh , 12 Years ago
Grade 11
Trigonometry> trignometry-functions...
1 Answersorange panda
Last Activity: 12 Years ago
it is possible if x1=x2=x3=pi/2.so cosx1+cosx2+cosx3=0
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