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    Trig Cheat Sheet: by Via

    Uploaded by

    Neia De Jesus
    This document provides a cheat sheet summarizing important trigonometric identities. It includes reciprocal identities, Pythagorean identities, double angle formulas, addition and subtraction formulas, quotient identities, related angle identities, and correlated angle identities. The cheat sheet acts as a quick reference for trigonometric functions and their relationships.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Trig Cheat Sheet: by Via

    Uploaded by

    Neia De Jesus
    34 views1 page
    This document provides a cheat sheet summarizing important trigonometric identities. It includes reciprocal identities, Pythagorean identities, double angle formulas, addition and subtraction formulas, quotient identities, related angle identities, and correlated angle identities. The cheat sheet acts as a quick reference for trigonometric functions and their relationships.

    Original Title

    ksmarty1_trig

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    This document provides a cheat sheet summarizing important trigonometric identities. It includes reciprocal identities, Pythagorean identities, double angle formulas, addition and subtraction formulas, quotient identities, related angle identities, and correlated angle identities. The cheat sheet acts as a quick reference for trigonometric functions and their relationships.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    34 views1 page

    Trig Cheat Sheet: by Via

    Uploaded by

    Neia De Jesus
    This document provides a cheat sheet summarizing important trigonometric identities. It includes reciprocal identities, Pythagorean identities, double angle formulas, addition and subtraction formulas, quotient identities, related angle identities, and correlated angle identities. The cheat sheet acts as a quick reference for trigonometric functions and their relationships.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    Trig Cheat Sheet

    by ksmarty1 via cheatography.com/28553/cs/13676/

    Reciprocal Identities Double Angle Formulas Quotient Identities

    csc θ = 1/sin θ sin(2θ) = 2 sin(θ) cos(θ) tan θ = sin θ/cos θ


    sec θ = 1/cos θ cos(2θ) = cos²(θ) - sin²(θ) cot θ = cos θ/sin θ
    cot θ = 1/tan θ       ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​    = 2 cos²(θ) - 1
          ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​    = 1 - 2 sin²(θ) Related Angle Identities
    Pythag​orean Identities tan(2θ) = 2 tan(θ)
    sin(π ∓ θ) = ±sin(θ)
          ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​   ​    1 - tan²(θ)
    sin²θ + cos²θ = 1 cos(π ∓ θ) = -cos(θ)
    sec²θ = 1 + tan²θ tan(π ∓ θ) = ∓tan(θ)
    csc²θ = 1 + cot²θ sin(2π - θ) = -sin(θ)
    cos(2π - θ) = cos(θ)
    Addition & Subtra​ction Formulas tan(2π - θ) = -tan(θ)
    sin(-θ) = -sin(θ)
    sin(α±β) = sin(α) cos(β) ± sin(β) cos(α)
    cos(-θ) = cos(θ)
    cos(α±β) = cos(α) cos(β) ∓ sin(β) sin(α) tan(-θ) = -tan(θ)
    tan(α±β) = tan(α) ± tan(β)
          ​     1 ∓ tan(α) tan(β)

    Corelated Angle Identities

    sin(π/2 ± θ) = cos (θ)


    cos(π/2 ± θ) = ∓sin (θ)
    tan(π/2 ± θ) = ∓cot (θ)
    sin(3π/2 ± θ) = -cos (θ)
    cos(3π/2 ± θ) = ±sin (θ)
    tan(3π/2 ± θ) = ∓cot (θ)

    By ksmarty1 Published 27th November, 2017. Sponsored by Readability-Score.com


    cheatography.com/ksmarty1/ Last updated 27th November, 2017. Measure your website readability!
    Page 1 of 1. https://readability-score.com

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