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