What is Inverse Trigonometric Function?

The inverse trigonometric functions is an important aspect of trigonometric functions, included in the syllabus for class 12 students. Inverses of trigonometric functions exist solely due to the restrictions existing on the domains and their respective ranges. Being able to solve inverse trigonometric function problems starts by understanding the trigonometric ratios first.

The behavior of these trigonometric functions is usually represented in the form of graphical methods. They play an essential role in calculus as they help to define different integrals. The major applications of inverse trigonometric functions in everyday life are in the fields of science and engineering.

Students can refer to the short notes and MCQ questions along with separate solution pdf of this chapter for quick revision from the links below:

CBSE Class 12 Notes Inverse Trigonometric Functions – Related Links

Students can have a look at the topics related to Inverse Trigonometric Functions below:

What are the properties of Inverse Trigonometric Functions?

The properties of Inverse Trigonometric Functions help to prove a distinct relationship between the different trigonometric entities such as sinx, cosx, tanx, cosecx, secx, and cotx. The results obtained with the help of these properties are valid within the principal branches of the inverse trigonometric functions. These properties are valid for some values of x, where these inverse trigonometric functions are defined with.

Important Questions

    1. Find the principal values of the following:

\(\begin{array}{l}Cos^{-1}(-1/2)\end{array} \)

\(\begin{array}{l}Cosec^{-1}(2)\end{array} \)

    1. Find the values of the following

\(\begin{array}{l}tan^{-1}(1)+cos^{-1}-1/2+sin^{-1}-1/2\end{array} \)

    1. Find the values of the given equation

\(\begin{array}{l}cot(tan^{-1}a+cot^{-1}a)\end{array} \)

    1. Solve the equations below

\(\begin{array}{l}2tan^{-1}(cos x)=tan^{-1}(2 cosec x)\end{array} \)

  1. Solve
    \(\begin{array}{l}tan^{-1}2x+tan^{-1}3x=\pi /4\end{array} \)

Also read:

Frequently asked Questions on CBSE Class 12 Maths Notes Chapter 2: Inverse Trignometry Functions

What are ‘Trignometric ratios’?

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

Who invented ‘trignometry’?

Trigonometry in the modern sense began with the Ancient Greeks. Hipparchus was the first to construct a table of values for a trigonometric function.

What are the uses of ‘Trignometry’?

1. Satellite navigation 2. Architecture 3. Mechanical engineering 4. Oceanography 5. Medical Imaging

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