Question

fill in the blanks:-

(i) ---------+ cos20 = 1.
(ii)1 - Sin²0= ----------
(iii) 1 - ---------- sin²O.​

Answer 1

Answer:

1.)sin70+cos20=1

2.)1-sin^20=cos^20

3.)1-cos^20=sin^2

Step-by-step explanation:

may it helps you