# Introduction to Trigonometry

Subject matter experts of JagranJosh have developed a chapter wise practice sets as per the relevancy of the chapter in the board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Introduction to Trigonometry” of Mathematics.

• Q1.

• Q2.

• Q3.If sin (A + B) = 1 = cos (A - B) then

• Q4.The value of 5 cos 0° + sin 90° is:

• Q5.How does the value of cos x varies when x increases from 0° to 90°: