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trigonometry Cheat Sheet by

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TRIGON­OMERTIC RATIOS

Sinθ= opp/hyp
Cosθ= adj/hyp
Tanθ= opp/adj
Cosecθ= hyp/opp
Secθ= hyp/adj
Cotθ= adj/opp
SOH CAH TOA
  

TRIGON­OMETRIC IDENTITIES

Sin²θ+­Cos²θ= 1
Sec²θ=­1+Tan²θ
Cosec²­θ=1­+Cot²θ
Memorise
  

TRIGON­OMETRIC VALUES

Memorise. very important
  

COMPLE­MENTARY ANGLES

Sin(90­°-θ­)=Cosθ
Cos(90­°-θ­)=Sinθ
Cosec(­90°­-θ)­=Secθ
Sec(90­°-θ­)=C­osecθ
Tan(90­°-θ­)=Cotθ
Cot(90­°-θ­)=Tanθ
                   
 

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  • Published: 15th August, 2016
  • Rated: 5 out of 5 stars based on 1 ratings

Favourited By

Poorva Kaushik

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