
Step 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
(F32Q2(3(3QAQ
©S)*^ ® (£2l3©@^"
SOLVE EClUflTIDNS
EQ: ' 2=a^2+b-"-2-2*a*b„
C- A:
r- A:
Tenter )
ENTER VALUE DR PRESS SOLVE
______
Step 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
Step 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^
Step 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)
(® SOLVE
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
Step 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
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