# Trigonometric Formulas

These are the common formulas used in Chapter 9 to 14 of Text Book of Algebra and Trigonometry Class XI, Punjab Text Book Board Lahore. This handout is very helpful to remember the formulas. All these formulas are given for real valued and defined trigonometric functions. A PDF file can be downloaded for high quality printing.

- fsc/fsc_part_1_trigonometric_formulas
- Last modified: 23 months ago
- (external edit)