It is C
Ksixkskxksmxmamlsldllxlallzlskmclaldlldle
(5+4+6-2)×2×2-1
(9-4)×2×2-1
5×2×2--1
10×2-1
20-1
19
Answer:
Cos 74°= Sin 16°
Sin 20°= Cos 70°
Sin A°=Cos (90°- A°)
Step-by-step explanation:
This is because the three pairs are complementary i.e they add up to 90° and in trigonometric ratios, complementary ratios are equal.
Answer:
Step-by-step explanation:
I think it is 1/3 but I am not sure. Sorry if wrong.
