Question

Just give the 3 trignometric formulas and take 60 points. :-))

Answer 1

1 + tan²A = sec²A

sin²A + cos²A = 1

1 + cot²A = cosec²A

Answer 2

Answer:

1. cos^2 A + sin^2 A=1

2. 1 + tan^2 A = sec^2 A

3. cot^2 A + 1 = cosec^2 A