Page 66 - Math Grade 11 (Advance)
P. 66
PROEUS DARA
~msg tan~ = tan(-~) X ~ + k:rt , X=- S + 2kJt
1t
u 2 ' 2 = - 4
X
tan- = tan~ ~ = ~ + kn , x = 2n +2kn kEZ '1
2 3 ' 2 3 3 '
n "' . 2n
X = - S + 2k'Jt Sl b X = 3 + 2k:rt , k E a' '1
2
0 I 0 ""' cosx(2sinx + 3,fi)- 2cos x- 1
rutrrHHH tfjHLhfH!Hu'tH'i'U 1 + sin2x = 1 '1
u
2
fU~ filHuH ti.H cosx(2 sinx + 3 ,fi)- 2cos x- l = 1 + sin2x
2 2
2sinxcosx+3J2cosx-2cos x-1 = 1 + sin2x , 2cos x-3J2cosx+2 = 0
t = cosx = ,fi ( YSrun) '1 t = cosx = _!_ = cos~ '1
1 2
,fi 4
'1
1
2. -- = cotx+3
. 2
sm x
2
m. 8sin x-6sinx = 5 '1
5