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Law of Sines and Law of Cosines — a Deeper Look

Question 4 • S1S-OC: Pre-Calculus B (E3710 - AG)

4) c2 = h2 + b2 -2bx + x2Pythagorean theoremRearrange the previous statementAssumption✔ Expand (b – x)2

Answer
A
Pythagorean theorem
B
Rearrange the previous statement
C
Assumption
D
✔ Expand (b – x)2