Все публикации

0:00:43

How do you horizontally compress or stretch a trig function? #maths #trigonometry #compress

0:00:42

How do you shift a trig function horizontally? #maths #trigonometry #shift

0:00:25

What happens to the graph when we multiply sin(x) by a constant? #maths #trigonometry #amplitude

0:01:00

Desmos trig demo: unit circle & special triangles for trig functions past 90° #trigonometry #teacher

0:11:09

Desmos trig demo: using the unit circle & special triangles to find exact trig function values

0:01:00

Where did the 30/60 degree standard triangle come from? #maths #trigonometry #trigratios

0:00:53

The 45 degree standard triangle and exact trig values #maths #trigonometry #trigratios

0:01:00

How do you find exact trig values for angles outside quadrant 1? #maths #trigonometry #radianmeasure

0:00:58

How do you find exact trig values for angles in quadrant 4? #maths #trigonometry #radianmeasure

0:00:58

How do you find exact trig values for angles in quadrant 3? #maths #trigonometry #radianmeasure

0:17:14

Defining sine, cosine and tangent

0:00:50

How do you find the area of a sector of a circle? #maths #math #circle #sector #area #proportional

0:07:23

Degrees to radians and back again - converting angle measurements

0:00:54

The length of an arc is a fraction of the circumference

0:12:18

Arrangements, permutations, orderings

0:01:00

Rationalising a surd from a fraction denominator #math #maths #surd #mathematics #algebra #education

0:09:43

Dividing surds and rationalising the denominator

0:07:22

Simplifying surds

0:06:43

Multiplying surds

0:09:09

Completing the square for quadratics

0:09:11

Adding and subtracting surds

0:08:08

Multiplication principle

0:12:59

Normal random variable inverse problems

0:20:10

Using a cumulative (standard) normal distribution table