30 solved Trigonometry Problems for Class X and IX for ICSE and CBSE boards students and other boards of similar standards. Click here to downlaod for more problems visit the download page.
Another set of Solved Trigonometry Problems
http://kolkatamaths.yolasite.com/resources/TRIGONOMETRY_X_2019_09_26.pdf
http://mathsvinu.blogspot.in/2014/09/trigonometrical-identities-cbse.html
