If `sin^2x + sin^2y lt 1 ; x, y in R` then prove that `sin^-1(tanx . tany) in (-pi/2, pi/2)`....
1,950 views · Published 12 October 2018 · 7:09 · Indexed 27 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `sin^2x + sin^2y lt 1 ; x, y in R` then prove that `sin^-1(tanx . tany) in (-pi/2, pi/2)`.
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