TRIG

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maths Note on TRIG, created by Jack Adamson on 05/05/2013.
Jack Adamson
Note by Jack Adamson, updated more than 1 year ago
Jack Adamson
Created by Jack Adamson over 11 years ago
355
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1. it is always finding a missing side of a right angle triangle, but only lable TWO sides.2.it is impossible to do unless they give you an angle!3. the three worst words in maths are sin, cos and tan4. SOHCAHTOA (see picture)5. okay now we lable what we've got the longest side of the triangle is always the hypoteneuse6.the side oppisite the angle is always the oppisite.7 and the other one is the aje

what you do;1. find out what side you need to find2. find the right triangle you need to know in sohcahtoa 3. follow triangle to give you a times or divide 4.add relavent information into question 5. then do the question 

example; 1.lable triangle 2. find the right triangle, so in this example i have the H and O and i need to find the O so i will use sin.3. sin57= 0.83864. then times it by 15= 12.6

H

O

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