1
Q
What are all 3 angles of an equilateral triangle?
A
60 degrees
1
Q
Sin 30 =
A
1/2
2
Q
Cos 60 =
A
1/2
3
Q
Tan 45 =
A
1
4
Q
Sin in the cast =
A
180-x
5
Q
Cos in the cast =
A
360-x
6
Q
Tan in the cast =
A
180+x
7
Q
Sin^2x + cos^2x =
A
1
8
Q
Sin^2x =
A
1- cos^2x
9
Q
Cos^2x =
A
1- sin^2x
10
Q
Tanx =
A
Sinx/cosx
11
Q
Sinx/cosx =
A
Tanx
12
Q
Tan^2x is the same as
A
(Tanx)^2
13
Q
+ fractions
A
Get a common (same) denominator by cross multiplication then you can add
14
Q
Subtracting fractions
A
Get a common (same) denominator by cross multiplication then take away
15
Q
X fractions
A
Simply multiply numerators then denominators and simplify if needed
16
Q
Dividing fractions
A
Keep first fraction the same but flip second fraction and change sign to multiply.
N5 maths
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