If a cos³Q + 3a cosQsin²Q = m, asin³Q + 3acos²QsinQ = n , then prove that (m + n)⅔ + (m - n)⅔ = 2a⅔.

preview_player
Показать описание

  1. Baap of Mathematics
Рекомендации по теме
If a cos³Q 0:10:21

If a cos³Q + 3a cosQsin²Q = m, asin³Q + 3acos²QsinQ = n , then prove that (m + n)⅔ + (m - n)⅔ = 2a⅔....

PROVE THAT (sin3@-cos3@)÷(sin@-cos@) 0:02:13

PROVE THAT (sin3@-cos3@)÷(sin@-cos@) +(sin3@+cos3@)÷(sin@+cos@)=2