Maths sin 60° cos 30° - cos 60° sin 30° = ?

sin 60° cos 30° - cos 60° sin 30° = ? - - sin 60° cos 30° - cos 60° sin 30° = ? Maths in Gujarati,  trigonometry  question answers in Gujarati pdf   questions in Gujarati, Know About Maths online test Maths notes in Gujarati quiz book