Please help!
We can only work on ONE SIDE
^2 means squared
/ means divided by
Thank you!
We can only work on ONE SIDE
^2 means squared
/ means divided by
Thank you!
-
Take RHS
( csc x - cot x ) /2 csc x
= (1/2) - (1/2)cos x
= 1/2(1 - cos x )
= 1/2 (1 - (1 - 2sin^2(x/2))
= 1/2 (2 sin^2(x/2))
= sin^2(x/2)
( csc x - cot x ) /2 csc x
= (1/2) - (1/2)cos x
= 1/2(1 - cos x )
= 1/2 (1 - (1 - 2sin^2(x/2))
= 1/2 (2 sin^2(x/2))
= sin^2(x/2)
-
(cscx-cotx)/2cscx
= (1/2)(1 - cosx), after multiplying the top and the bottom by sinx
= sin^2(x/2), half angle formula
= (1/2)(1 - cosx), after multiplying the top and the bottom by sinx
= sin^2(x/2), half angle formula