Question

fill in the blank i) ___+cos2o=1 ii) 1-sin2o =__________ iii) sec2o-___=1 iv) cosec2o-cot2o=_____​

Answer 1

Answer:

1. Sin²Q + Cos²Q = 1

2. 1 - sin²Q = Cos²Q

3. Sec²Q - tan²Q = 1

4. Cosec²Q - Cot²Q = 1