Press IcompI again and get A = again. New values may now be put in for A and B.
If you push (comp) without entering a numeral, the previous value is retained.
3. Law of Cosines
Solve for C knowing A, B, and D
The basic equation is
C = V A2 + B2 - 2AB COS D
Note that since the entire equation falls under the square root sign parenthesis must be used.
Key in: (2nd F) SB f (ABD) = E (A2 E] B2 H 2AB BD COS D
Mode: COMP Angle Mode: DEG
Press IcompI , Put in 3 for A
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