Question

Plz give all important formulas on :
complex numbers
polynomials
trigonometry
triangles
probability

Give formulas of 10,11 and 12 standard only..........
Plz give relevant information about the formula......
I am preparing for a maths Olympiad....................

Answer 1

here is few formulas for trigonometry which are important for ur Olympiad

Answer 2

sin²A + cos²A = 1
1+tan²A=sec²A
1+cot²A=cosec²A