Download the notes in mathematics for class 10 students. Different types of sums of chapter named as Trigonometrical identities are solved. Students have to copy>these in their maths copy and remaining sums will be solved by them in the same copy. If the copy is not available then loose sheets can be used . Click on the link to download the Question: https://drive.google.com/file/d/1mct0w99sUiqN0T40L17EBTJEKZp36Anx/view?usp=sharing