Question

1) 8 sin
20- 8 sin? + 1 = ccos20 prove this

Answer 1

Answer:

Evaluate the following 1) 6 sin20-8 sin cube 20 - 20173642. ... expression 6 sin20° - 8sin³20° can be written as 2(3sin20° ... prove that cos(x+theta)cos(-theta)/cos (x-theta) cos (x/2 + ...