Trigonometry

Author:R K Bansal
9th ICSE
IMPORTANT

Practice Other Chapters from Trigonometry

Concise Mathematics I.C.S.E - Class IX>Trigonometry>Trigonometrical Ratios [Sine, Cosine, Tangent of an Angle and Their Reciprocals]

This chapter explains the concepts of trigonometrical ratios of angles and their reciprocals. It also discusses the terms perpendicular, base, and hypotenuse of a right-angle triangle in detail with examples.

Concise Mathematics I.C.S.E - Class IX>Trigonometry>Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]

This chapter explains the trigonometrical ratios of the standard angles with the evaluation of expressions with examples. It explains how to solve trigonometric equations and find the value of the unknown angle.

Concise Mathematics I.C.S.E - Class IX>Trigonometry>Solution Of Right Triangles [Simple 2-D Problems Involving One Right-Angled Triangle]

This chapter describes right-angled triangles. It explains how to find the values of angles and sides in a right-angled triangle. It discusses the calculation of area for rhombus and triangles with examples.

Concise Mathematics I.C.S.E - Class IX>Trigonometry>Complementary Angles

In this chapter, we learn about the concept of trigonometric ratios of complementary angles. It also helps us how to find angles for sine, cosine, tangent, cotangent, secant, and cosecant with examples.