Class 12 Maths · Chapter 2 · CBSE / NCERT
Inverse Trigonometric Functions
Going from a number back to an angle. You’ll learn the principal values of sin⁻¹, cos⁻¹ and tan⁻¹, their graphs, and how to simplify and solve with them.
14 short lessons · about 59 minutes in all
What you’ll learn
- 1Why sine needs a cut before it can be undone4 min
- 2Inverse sine: from a number back to an angle4 min
- 3Inverse cosine: answers from 0 to π4 min
- 4Inverse tangent: any number in, never a right angle out4 min
- 5Inverse cotangent: answers between 0 and π4 min
- 6Inverse secant: flip the number, then use inverse cosine4 min
- 7Inverse cosecant: flip the number, then use inverse sine4 min
- 8The graph of an inverse is a mirror image4 min
- 9Principal value: the one answer in the stretch4 min
- 10When does inverse sine undo sine?4 min
- 11Bring the angle into the stretch4 min
- 12Simplify by putting x = sin θ5 min
- 13Adding inverse angles with right triangles5 min
- 14Solving inverse trig equations, then checking5 min
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Why sine needs a cut before it can be undone · about 4 minutes
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More Class 12 Maths
The other 12 chapters.
CH 1Relations and Functions14 lessonsCH 3Matrices14 lessonsCH 4Determinants14 lessonsCH 5Continuity and Differentiability14 lessonsCH 6Application of Derivatives12 lessonsCH 7Integrals18 lessonsCH 8Application of Integrals10 lessonsCH 9Differential Equations14 lessonsCH 10Vector Algebra14 lessonsCH 11Three Dimensional Geometry14 lessonsCH 12Linear Programming12 lessonsCH 13Probability14 lessons
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