Maths - What they'd teach you....if they had the time: How your teachers would like to teach maths if they had the time by kevin bennett

Author:kevin bennett
Language: eng
Format: mobi, azw3
Tags: Mathematics
Publisher: K B tutoring and training
Published: 2014-10-14T23:00:00+00:00

Figure 19

So if we now take the values from the previous page and plot them from 0o to 360o then we get the familiar “Cos” graph

The ratio of “Opposite” to “Adjacent” can be recorded in the same way considering

Figure 20

Ratio of “Adjacent” and “Hypotenuse”

(A & H)

Ratio of “Opposite” and “Hypotenuse”

(A & H)

Ratio of “Opposite” and “Adjacent”

(A & H)

3√11

10

0.9950

1

10

0.1

1

3√11

0.1005

Now consider

sin(x)=

Also

cos(x)=

Then

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