Three exercises are there in Chapter 6- Graph of Trigonometric Functions and the RD Sharma Solutions of Chapter 6 are prepared by the master faculty at Career Point, Kota. On eCareerPoint the pdfs for this chapter are present and you can download them from the links mentioned below. In the available solutions, various short tricks are used in solving the questions.
There is no doubt in the fact that the RD Sharma reference book also contains important questions. Thus the topics that are covered in the book and solved are Graph of the sine function, Graph of the cosine function, Graph of the tangent function, Graph of cotangent function, Graph of cosecant function, and Graph of secant function.