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Parin Sir > definition
11
Aug
Index of T-Ratios & Identities

01. Introduction

02. Some Basic  Concepts

03. Level Functions

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Posted in: Index of T-Ratios & Identities,
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11
Aug
Examples 16 to 18 of T-Ratios & Identities

(16) If  sinθ  =  \frac{3}{5}, find the values of

         sin 2θ, cos 2θ, tan 2θ, sin 3θ  and  cos 3θ.

Soln. cosθ …

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Posted in: Examples 16 to 18 of T-Ratios & Identities,
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11
Aug
Examples 11 to 15 of T-Ratios & Identities

(11) If  a2 + b2 + c2  =  r2  and  a  =  r cos A sin B,  b  = r sin A sin B, find the value of c.

Soln. a2 + b2  =  r2 cos2 A sin2 …

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Posted in: Examples 11 to 15 of T-Ratios & Identities,
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11
Aug
Examples 6 to 10 of T-Ratios & Identities

 (6) Evaluate :  sin{\frac{\pi}{6}}+cos{\frac{\pi}{3}}-{cot}^3{\frac{\pi}{4}}+cos{e}c^2\f... </p> <div class=

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Posted in: Examples 6 to 10 of T-Ratios & Identities,
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11
Aug
Examples 1 to 5 of T-Ratios & Identities

(1) Convert  \frac{7\pi}{6} radians into degrees.

Soln. \pi... </p> <div class=

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Posted in: Examples 1 to 5 of T-Ratios & Identities,
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11
Aug
Domain Range Co-domain Zeros and Principal Period of Trigo Functions  : -

☼   Domain, Range, Co-domain, Zeros and Principal Period of Trigo. Functions  : –

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11
Aug
Value of Trigonometric Function

☼   Value of Trigonometric Function  : –

 

θ

 

Function
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11
Aug
Trigonometric  Addition  Formulae

☼   Trigonometric  Addition  Formulae  : –

sin (\alpha+\beta)   =   sinα cosβ + cosα sinβ

sin (

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11
Aug
Even  &  Odd  Trigonometric  Functions

☼   Even  &  Odd  Trigonometric  Functions  : –

Even  Trigonometric  Functions   : –

  1. cos \left(-\theta... <br /> <div class=
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Posted in: Even  &  Odd  Trigonometric  Functions,
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11
Aug
Nature of Trigonometric Function

☼   Nature of Trigonometric Function : –

P (A)

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Posted in: Nature of Trigonometric Function,
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