Having trouble applying half angle formula in this question, Any hints would be great sin^4Θ=3/8 - 1/2cos(2Θ) + 1/8 cos(4Θ) is a solution for any angle Θ use half angle formula and cos^2(2Θ)=1/2 cos(4Θ) +1/2 thanks
Follow Math Help Forum on Facebook and Google+
Hello offahengaway and chips Originally Posted by offahengaway and chips sin^4Θ=3/8 - 1/2cos(2Θ) + 1/8 cos(4Θ) Grandad
View Tag Cloud