SOLUTION: Simplify the expression by using a double-angle formula.
{{{ cos^2(4)theta-sin^2(4)theta }}}
Algebra.Com
Question 985825: Simplify the expression by using a double-angle formula.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Not clear.
==============
----
Go to Wikipedia, see Half Angle Formula
RELATED QUESTIONS
Simplify the expression by using a double-angle formula or a half-angle formula.... (answered by jsmallt9)
Simplify the expression by using a double-angle formula.
cos^2(2 theta)- sin^2(2... (answered by robertb)
please help me solve this equation: simplify this expression by using a double-angle... (answered by stanbon)
"simplify the expression by using a double angle formula or a half angle formula
2 sin... (answered by jjordan95)
Simplify the expression by using a double-angle formula.
cos^2(2pie/5) -... (answered by Alan3354)
Simplify the expression by using a double-angle formula.... (answered by Alan3354)
Simplify the trigonometric expression.
sin^2 theta /1+ cos theta
(answered by tommyt3rd)
Simplify the trigonometric expression.... (answered by lwsshak3)
Simplify each trig expression into 1 term:
1.) sin(theta)+cos(theta)cot(theta)... (answered by stanbon)