Question

explanation step by step ​

Answer 1

tanA=1/√3,A=30°

B=90°,C=60°

sinAcosC+cosAsinC={sin(A+C)}

sin(A+C)=sin(90°)

sin(A+C)=1

cosAcosC-sinAsinC=cos(A+C)

cos(A+C)=cos(90°)

cos(A+C)=0