1) 2cos60°+√3 cos30°= 2(1/2) + √3(√3/2)= 1 + √3/2= (2 + √3)/2
2) 2sin45°-4cos30°= 2(√2/2) - 4(√3/2)= √2 - 2√3
1) 2cos60°+√3 cos30°
= 2(1/2) + √3(√3/2)
= 1 + √3/2
= (2 + √3)/2
2) 2sin45°-4cos30°
= 2(√2/2) - 4(√3/2)
= √2 - 2√3