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Sine and Cosine Rule

Author: Mansourfar Amirali
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. This formula of the Sine Rule is used when you are finding the unknown angle.
1. The formula area of a triangle.
2. You have 2 sides and 1 included angle.
3. 2 angles 1 side
4. Definition of: SOH CAH TOA
5. Only 2 sides
6. Included Angle
7. Opposite angles in a cyclic quadrilaterals add up to...
8. Cos x =
9. This formula of the Sine Rule is used when you are finding the unknown side.
10. Sin x =
11. Tan x =
12. The formula of the Cosine Rule.
13. An easy way to remember Sine, Cosine and Tangent formula%27s.
14. Sine Rule
15. Tan^-1

Answers:
0. SOH CAH TOA
1. Inverse Tan
2. Opposite --------------------- Adjacent
3. Opposite ----------------- Hypotenuse
4. The angle between two known sides.
5. 1/2ab x cos C
6. 2 sides and 1 angle.
7. Adjacent ------------------ Hypotenuse
8. Sine Rule
9. Sin x = Opp/Hyp Cos x = Adj/Hyp Tan x = Opp/Adj
10. = 180
11. a b ----- = ------ Sin A Sin B
12. Pythagoras Theorem
13. a^2 = b^2 %2b c^2 -2bc x Cos A
14. Cosine Rule
15. Sine A Sine B -------- = --------- a b
.