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Free webinar on Robotics (Block Chain) Learn to create a Robotic Device Using Arduino
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Sin24degree cos6degree-sin6degree sin66segree/sin21degree cos39degree- cos51degree sin69degree Sin24degree cos6degree-sin6degree sin66segree/sin21degree cos39degree- cos51degree sin69degree
=(cos66cos6-sin6sin66)/(cos69cos39-sin39sin69) {using fourmula of sin(90-)}=cos(66+6)/cos(69+39) {using fourmula of cos(c+d)}=cos72/cos108= -1
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