# PLANE Trigonometry (Part - 1) (English) 1st Edition

• ISBN: 9788183552790
• Authors: S L Loney
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## PLANE Trigonometry (Part - 1) (English) 1st Edition

Author: S L Loney
Language: English
Length (Pages):
Publisher: G. K. Publications Pvt. Ltd

Publication Year 2010
Edition:1stEdition
Exam:SSC - Combined Graduate Level, Scholarships & Olympiads, SSC - Combined Higher Secondary
ISBN: 9788183552790
Table of Contents
1. Measurement of Angles, Sexagesimal and Centesimal Measure
Circular or Radian, Measure
2. Trigonometrical Ratios for Angles Less than a Right Angle
Values for Angles of 45, 30, 60, 0 and 90
3. Simple problems in Heights and Distances
4. Applications of algebraic Signs to Trigonometry
Tracing the Changes in the Ratios
5. Trigonometrical Ratios of Angles of Any Size and Sign
Ratios for q, 90 q, 90 + q
6. General Expressions for All Angles having a Given Trigonometrical Ratio
7. Trigonometrical Ratios of the Sum and Difference of Two Angles
Product Formulae
8. Trigonometrical Ratios of Multiple and Sub multiple of Angles
Explanation of Ambiguities
Angles of 18, 36 and 9
9. Identities and Trigonometrical Equations
10. Logarithms
Tables of Logarithms
11. The Principle of Proportional Parts
12. Relations Between the Side and Trigonometrical Ratios of the Angles of a Triangle
13. Solution of Triangles
Given Two Sides and the Included Angle
Ambiguous Case
14. Heights and Distances
15. Properties of a Triangle
The Circles Connected with a Given Triangle
Orthocentre and Pedal Triangle
Centroid and Medians
16. Quadrilaterals
Regular Polygons
17. Trigonometrical Ratios of Sin q < q < tan q Small Angles
Area of a Circle
Dip of the Horizon
18. Inverse Circular Functions
19. Summation of Some Simple Trigonometrical Series
20. Elimination
21. Projections

Miscellaneous Examples
Answers
Five-figure Logarithmic and Trigonometrical Tables
Attachment