" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2sinα*cosα
sin²α + cos²α = 1
sin²α = 1 - cos²α
sin²α = 1 - (3/4)²
sin²α = 1 - 9/16
sin²α = 7/16
sinα = √7/√16
sinα = √7/4
2sinα*cosα = 2*(√7/4)*(3/4)
2sinα*cosα = 3√7/8