0©s)g s), 0 2 gd©s)b, S)*^ ® (£2l3 – HP 48G User Manual
Page 60: Eq; ' c-^2=a''2+b^'2-2*a*b, A: gilbi№i, A: gilbi№ i, Eq: ' 2=a^2+b-"-2-2*a*b, C-^2=a''2+b^'2-2*a*b
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S t e p 1 :
Move
the highlight to
the EQ:
field
(if
necessary)
and
enter
the equation.
( 6
can be typed using falfr^F or selecting it
from CHARS.)
0©S)G S)
0 2 GD©S)B
( F 3 2 Q 2 ( 3 ( 3 Q A Q
©S)*^ ® (£2l3©@^"
SOLVE EClUflTIDNS
EQ: ' 2=a^2+b-"-2-2*a*b„
C-
A:
r-
A :
T
enter
)
ENTER VALUE DR PRESS SOLVE______
S t e p 2 :
Store the known values.
9
(ENTER)
4 (ENTER)
7 (ENTER)
SOLVE EQUATION
eq
:
'
c'^2=a-^£+b''-2-2*a*b.„
o 9
fi- 4 ________
R: 7
<y.
ENTER VALUE DR PRfSS SOLVE
KamBMWMB
S t e p 3 :
Solve for the angle (f?).
;SOLVE EQUATIONS
eq
; ' c-^2=a''2+b^'2-2*a*b„,
C: 9
R! 7
A: 4___________
A: gilBi№ i
ENTER VALUE DR PRESS SOLVE______
i^iltiB8MHBBgBBlERlAij!lii:l;iiiMi|lw^
S t e p 2 :
How long would side c be if the obtuse angle,
9 ,
was 120
degrees? Enter 120 into ti and solve for c.
120 (ENTER)
(® S O L V E
i SOLVE EQUATION
' cTg=aT''2+b'"2-2*a*b.,
C: fegjaEHagii A: 4
R: 7
A: 120
ENTER VALUE DR PRESS SOLVE______
iaufllBSi*Bi*Bg?3?raaiina
S t e p 5 :
Exit the SOLVE application. Notice that the labeled results
of each execution of SOLVE are put on the stack for you.
5-6 Solving Equations