Trigonometry

 

 

 

Testing yourself on this section is easy:

Can you write out the three formulas for
sine, cosine and tangent
 from memory?

Click here to see the answers

 

 

 

 

 

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The answers as divisions:

Sin x = Opp ÷ Hyp        Cos x = Adj ÷ Hyp       Tan x = Opp ÷ Adj

OR

Sin x = Opp   Cos x = Adj   Tan x = Opp
Hyp   Hyp   Adj

 

The answers as formula triangles:

 

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