April 2025
Intermediate to advanced
616 pages
25h 43m
English
book
Pearson JEE Main Mathematics Vol 2 – 2026 | As Per NTA Syllabus | 2021 to 2025 Solved Previous Years’ Questions | 5000+ Topic-wise, Miscellaneous and Numerical–Based ... Papers on MyInsights | 2nd Edition
by Gavesh Bharadwaj
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2 Inverse Trigonometric Functions
INTRODUCTION
sin-1 x, cos-1 x, tan-1 x etc. denote angles or real numbers whose sine is x, whose cosine is x and whose tangent is x, provided that the answers given are numerically smallest available. These are also written as arc sinx, arc cosx etc.
If there are two angles one positive and the other negative having same numerical value, then positive angle should be taken.
(a) sinθ = x ⇔ sin–1 x = θ
(b) cosθ = x ⇔ cos–1 x = θ
(c) tanθ = x ⇔ tan–1 x = θ
(d) cotθ = x ⇔ cot–1 x = θ
(e) secθ = x ⇔ sec–1 x = θ
(f) cosecθ = x ⇔ cosec–1x = θ
DOMAIN AND PRINCIPLE VALUE RANGE OF INVERSE TRIGONOMETRIC FUNCTIONS
Graph ...
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