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Sine and Cosine Rule

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

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

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