Cos (90° - A)
ACOS A
BCos 90°
CSin A
DSin 90°
ACOS A
BCos 90°
CSin A
DSin 90°
Related Questions:
Which of the following is not the use of bleaching powder?
(i) to make drinking water free from germs
(ii) in soda-acid fire extinguishers
(iii) as an oxidising agent in many chemical industries
(iv) for baking cakes