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Sine and Cosine Rule

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

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

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