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
-----------------
Hypotenuse
4. a b
----- = ------
Sin A Sin B
5. Inverse Tan
6. Sine Rule
7. Opposite
---------------------
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
------------------
Hypotenuse
14. Cosine Rule
15. Sine A Sine B
-------- = ---------
a b
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