G CITIES21. Of cas (40+2). In 80", Find the value of asol – InterviewSolution

1.

G CITIES21. Of cas (40+2). In 80", Find the value of asol

Answer»

sin30=sin(90-30)=cos60; cos(40+x)=sin30; cos(40+x)=cos60; 40+x=60; x=60-40=20; x=20

cos(40+x)=sin30cos(40+x)= cos (90-30)40+x= 60x= 60-40=20

cos(40+x)= sin30; cos(40+x)= cos(90-30); 40+x=60; x=60-40=20

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