All Trigonometry Formulas List PDF Download

trigonometry-all-formulas-list-pdf

Name

Trigonometry Maths All Formulas List

Language

English

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Schoollearningresources.com

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Education

201 KB

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10

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09/06/2023

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All Trigonometry Formulas List PDF Download

If you are looking for Trigonometry Maths All Formulas List PDF, then you are in the right place. At the end of this post, we have added a button to directly download the PDF of Trigonometry Formula Sheet PDF for free.

Trigonometry Formulas List

Here we have shared the Basic to Advance Formulas List in Trigonometry.

Basic Trigonometry Formulas

  • sin θ = Opposite Side/Hypotenuse
  • cos θ = Adjacent Side/Hypotenuse
  • tan θ = Opposite Side/Adjacent Side
  • sec θ = Hypotenuse/Adjacent Side
  • cosec θ = Hypotenuse/Opposite Side
  • cot θ = Adjacent Side/Opposite Side

Periodic Identity of Trigonometric Angles

  • sin(π2–A)=cosA  & cos(π2–A)=sinA
  • sin(π2+A)=cosA & cos(π2+A)=–sinA
  • sin(3π)2–A)=–cosA & cos(3π2–A)=–sinA
  • sin(3π2+A)=–cosA & cos(3π2+A)=sinA
  • sin(π–A)=sinA & cos(π–A)=–cosA
  • sin(π+A)=–sinA & cos(π+A)=–cosA
  • sin(2π–A)=–sinA & cos(2π–A)=cosA
  • sin(2π+A)=sinAcos(2π+A)=cosA

Sum and Difference Trigonometric Formula

  • sin(x+y)=sin(x)cos(y)+cos(x)sin(y)
  • cos(x+y)=cos(x)cos(y)–sin(x)sin(y)
  • tan(x+y)=(tanx+tany)(1−tanx∙tany)
  • sin(x–y)=sin(x)cos(y)–cos(x)sin(y)
  • cos(x–y)=cos(x)cos(y)+sin(x)sin(y)
  • tan(x−y)=(tanx–tany)(1+tanx∙tany)

Double Angle Formula

  • sin(2x)=2sin(x)∙cos(x)=2tanx(1+tan2x)
  • cos(2x)=cos2(x)–sin2(x)=(1−tan2x)(1+tan2x)
  • cos(2x)=2cos2(x)−1=1–2sin2(x)
  • tan(2x)=2tan(x)1−tan2(x)
  • sec(2x)=sec2x(2−sec2x)
  • csc(2x)=(secx.cscx)2

Inverse Trigonometric Function

  • sin−1(–x)=–sin−1x
  • cos−1(–x)=π–cos−1x
  • tan−1(–x)=–tan−1x
  • cosec−1(–x)=–cosec−1x
  • sec−1(–x)=π–sec−1x
  • cot−1(–x)=π–cot−1x

If you want to download the Trigonometry Identities and Formulas in Maths PDF, then click on the download button provided at the end of this post.

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