Here we have provided RS Aggarwal class 10 Math Solutions Chapter 11 T-Ratios of Some Particular Angles. Rs Aggarwal class 10 maths book is one of the best resources for class 10 maths preparation. Rs Aggarwal class 10 maths is a very important book for board examinees.

During the previous introduction to trigonometry in younger classes you may have encountered certain integer values for certain angles’ trigonometric ratios. These values are based on the fundamentals of trigonometry – the Unit circle.

## RS Aggarwal Class 10 Math Solutions Chapter 11 T-Ratios of Some Particular Angles

Also Read:

Chapter 8 – Circles

Chapter 9 – Constructions

Chapter 10 – Trigonometric Ratios

RS Aggarwal Class 10 Maths Chapter 11 solutions contain all of these values that are worth remembering and you will find repeated use of these values when you are solving trigonometric equations in the other chapters of RS Aggarwal Class 11 mathematics. Chapter 11 T-ratios of some particular angles contains all the relevant information on the derivation of these angles and contains a vast array of questions that will surely aid you.

## RS Aggarwal Class 10 Math Solutions Chapter 11 T-Ratios of Some Particular Angles PDF Download

Students can verify their answers or get assistance while attempting to solve the questions. In order to do this you can access RS Aggarwal Class 11 solutions chapter 11 T-Ratios of some particular angles as the pdf. The PDF solutions for all the exercises in RS Aggarwal Class 10 are available on our website as well.

## Class 10 RS Aggarwal T-Ratios of Some Particular Angles Solutions

The unit circle as shown above is one that has the radius of one unit with the origin being the point 0,0 in a grid. When going through RS Aggarwal chapter 11 T-ratios of some particular angles, keep the above diagram in mind. All the values are derived from this circle by essentially applying the trigonometric ratios for each angle starting from (1,0) in an anti-clockwise manner.

So if you forget any of the values at any point you can immediately draw the circle. Additionally, we recommend that you practise this circle to become more proficient in the basics.

**Trigonometric identities**

Sin a | Opposite/Adjacent |

Cos a | Adjacent/Hypotenuse |

Tan a | Opposite/Adjacent |

**T-ratios**

Angles | 0^{o} | 30^{o} | 45^{o} | 60^{o} | 90^{o} |

Angles in rads | 0 | π/6 | π/4 | π/3 | π/2 |

Sin | 0 | 1/2 | 1/√2 | √3/2 | 1 |

Cos | 1 | √3/2 | 1/√2 | 1/2 | 0 |

Tan | 0 | 1/√3 | 1 | √3 | ∞ |

The values of secant, cosecant, and cotangent are the inverse of the values of sin, cos and tan respectively.

## Conclusion

While these values may be tricky to learn plenty of practice with the unit circle and going through RS Aggarwal chapter 11 solutions T-ratios of some particular angles should help you and as a reminder, the contents of the solutions are available as pdf on our website.

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