What does the capital letter in the formulas represent?
What are angles?
What does the lower case letters in the formula represent?
What are sides?
Which rule does this formula represent?
What is the Sine Rule?
What is the Sine Rule?
Under what conditions is the Sine Rule used?
What is
•two angles and one side, or
•two sides and a non-included angle.
Under what conditions is the cosine rule used?
What is
•three sides or
•two sides and the included angle.
Which rule do these formulas represent?
What is the Cosine Rule?
What is the Cosine Rule?
Find angle b.
What is 76 degrees?
Find angle x.
What is 57 degrees?
What part of the triangle are these formulas used to find?
What are angles?
What is the Cosine Rule?