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