<span> [(sinx/cosx)+sinx](1-cosx)
[(sinx+sinx.cosx/cosx)](1-cosx)
[ sinx(1-cosx)+sinxcosx(1-cosx)]/cosx
sinx-sinxcosx+sinxcosx-sinx cos^2 x/cosx
sinx-sinx cos^2 x/cosx
sinx(1-cos^2 x)/cosx
(1-cos^2x)sinx/cosx
sin(squared)x.tanx.......R.H.S</span>
Step-by-step explanation:
3-2(3x+1)=19

Answer:

Note:
Three-tenths reapeating is 
Answer:
See below.
Step-by-step explanation:
Della is correct. 1, in decimals, is 1.00, or 100. So, if the decimal is 1.4(1.40), it is equal to 140%.
-hope it helps