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Sine and Cosine Rule

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

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

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