SOLUTION: Simplify the expression by using a double-angle formula. 2cos^2 4theta -1 Thank you!!
Algebra
.Com
Question 1085306
:
Simplify the expression by using a double-angle formula.
2cos^2 4theta -1
Thank you!!
Answer by
ikleyn(52847)
(
Show Source
): You can
put this solution on YOUR website!
.
Double angle formula for cosines is
=
. Use it, and you will get
=
.
Solved.
RELATED QUESTIONS
Simplify the expression by using a double-angle formula. 2cos^2...
(answered by
ValorousDawn
)
how do you simplify 2cos^2 25 -1 using the double angle formula
(answered by
richard1234
)
I have to simplify an expression using a double angle formula. the expression is...
(answered by
lwsshak3
)
I need to simplify 2cos^2(θ/3)-1 using a double-angle formula. I really can't figure
(answered by
Edwin McCravy
)
Simplify the expression by using a double-angle formula....
(answered by
ikleyn
)
Simplify the expression by using a double-angle formula. 2(sin27degree...
(answered by
Alan3354
)
Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula....
(answered by
Alan3354
)
Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1 −
(answered by
Alan3354
)
Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula (1 −...
(answered by
Alan3354
)