Question

Find the value of sin 30º - cos 60º + tan 45º.sin ×
45º​

Answer 1

Answer:

sin 30° = 1/2

cos 60° =1/2

tan 45°= 1

sin 45 ° = 1 /root 2

$= 1 \div 2 \: - 1 \div 2 \: + 1 \times (1 \div \sqrt{2} ) \\ = 1 \div \sqrt{2}$