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if `tan ^-1 (( sqrt (1+x^2)-1)/x) = pi/45` then: (Doubtnut) View |
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Prove that (1+tan1)(1+tan2)...(1+tan45)=2^(23) (The Math Professor) View |
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Trigonometric equations Solve tan(x+45)=(-1)/√2 Where 0≤x≤360 (Srikanth Math Academy) View |
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Prove that tan−1(√(1+x)−√(1−x)/√(1+x)+√(1−x))=π/4−1/2cos−1x,−1/√2≤x≤1 l Q11 Misc. Ch-2 Inverse Trigo (SREP Govinda Rao Classes) View |
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Q33 | If y = tan^(-1)((√(1+x^2)+√(1-x^2))/(√(1+x^2)-√(1-x^2))) find dy/dx (GRAVITY COACHING INSTITUTE) View |
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If ` x+ y = 45^@` then prove that : ` (1+tan x)(1+ tan y) = 2` ` (cot x -1) ( cot y -1 ) =... (Doubtnut) View |
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Trick for doing trigonometry mentally! (tecmath) View |
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prove that tan inverse { root (1+x) minus root (1-x) upon root (1+x) plus root (1-x)} is (Gulshan Maths Study) View |
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If A + B = 45 Prove that (cotA - 1)(cotB - 1) = 2 (Pace Edu.) View |
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If y=(tan^-1(x))^2 then show that Show that (x^2+1)^2 y2+2x(x^2+1) y1=2 (concepts \u0026 Methods) View |