Maths Mutt HOME


Trig Identities


sin2 θ + cos2 θ = 1

13

Example

Simplify 3(sinx+cosx)2

lop

This can be further processed

lol

 

Tan θ = sin θ ÷ cos θ

10

Example

Express 5sinxcosxtanx in its simplest form.

12

 

 

Exact values

is

12

13

 

60

 

60 c60

30 c30

 

2

Other trig facts

Complementary angles

1

 

6

Supplementary angles

7

8

Negative angles

4

11

 

© Alexander Forrest