Question

Use half angle formulas to fill in the blanks in the identity below:


(\sin(6 x))^4 = -\frac(1)(2)\cos( x )
+\frac(1)(8)\cos ( x)

Answer 1

\(\bf sin^4(6 x) = \cfrac{1}{2}cos(x)+\cfrac{1}{8}cos(x) \ \ \ ?\)

Answer 2

\(\bf \Large sin^4(6 x) = \square-\cfrac{1}{2}cos(\square x)+\cfrac{1}{8}cos(\square x) \ \ ?\)

Answer 3

yh

Answer 4

the second one