Sine and Cosine RuleAuthor: Mansourfar Amirali Description: Keywords: , , , , , , online teaching
Content: Definitions: 0. Tan^-1 1. Tan x = 2. 2 angles 1 side 3. This formula of the Sine Rule is used when you are finding the unknown angle. 4. The formula area of a triangle. 5. Included Angle 6. Cos x = 7. This formula of the Sine Rule is used when you are finding the unknown side. 8. Sin x = 9. You have 2 sides and 1 included angle. 10. Sine Rule 11. Only 2 sides 12. An easy way to remember Sine, Cosine and Tangent formula%27s. 13. Opposite angles in a cyclic quadrilaterals add up to... 14. Definition of:
SOH
CAH
TOA 15. The formula of the Cosine Rule.
Answers: 0. SOH
CAH
TOA 1. Pythagoras Theorem 2. The angle between two known sides. 3. Opposite
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Hypotenuse 4. a b
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Sin A Sin B 5. Inverse Tan 6. Sine Rule 7. Opposite
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Adjacent 8. = 180 9. a = b^2 x c^2
-2bc x Cos A 10. 1/2ab x cos C 11. 2 sides and 1 angle. 12. Sin x = Opp/Hyp
Cos x = Adj/Hyp
Tan x = Opp/Adj 13. Adjacent
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Hypotenuse
14. Cosine Rule 15. Sine A Sine B
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a b
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