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Sine and Cosine Rule

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

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

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