Q. tan65°/cot25° = ? Q. sin 43° / cos 47° = ?

Q. sin43°/cos47° = ?

Q. tan65°/cot25° = ?

Q. (sin31°/cos59°)^2 + (cos29°/sin61°)^2 – 1 = ?

Trigonometric Table Angles

Maths is Easy

Sine Rule & Cosine Rule

Prove that : tan9deg + tan81deg - tan27deg -tan63deg = 4

" Sin " / " Cos " / " Tan " Value base on Degree

Trigonometric Functions for a Right Triangle

Trigonometric Table

Co-Ratios

Basic Formulas

Mutiple angle Formulas

Powers of Trigonometric Functions

Formulas with t = tan(x2)

Addition Formulas

Sum of Trigonometric Functions

Sum of Trigonometric Functions

Sum of Trigonometric Functions