Answer
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ALLEN -INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
- The value of tan^(-1)(1)+cos^(-1)(-1/2)+sin^(-1)(-1/2) is equal to-
02:28
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- If sum(i=1)^(2n)cos^(-1)xi=0 then find the value of sum(i=1)^(2n)xi
02:06
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- Evaluate the following: "sin"(cos^(-1)3//5)
01:36
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- Evaluate the following: "cos"(tan^(-1)3//4)
01:31
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- Evaluate the following (i) sin ( pi/2 - sin^(-1) ( (-1)/2)) (ii) ...
02:47
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- The value of cos^(-1)(-(sqrt3)/2)+cos^(-1)(cos\ (7pi)/6) is
02:38
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- Evaluate the following: sin^(-1)(sin\ pi/4)
01:23
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- Evaluate the following: cos^(-1)(cos((7pi)/6))
01:32
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- Evaluate the following: cos^(-1)(cos((2pi)/3))
01:00
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- Evaluate the following: sin^(-1)(sin 10)
02:48
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- Evaluate the following: cos^(-1)(cos10) (ii) tan^(-1){tan(-6)}
04:15
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- Evaluate the following: cos^(-1)(cos4)
01:15
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- Prove that sec^2(tan^(-1)2)+cos e c^2(cot^(-1)3)=15
04:13
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- Prove that: tan^(-1)x+tan^(-1)(1/x)=pi/2
01:16
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- Prove that tan^-1(1/7)+tan^-1(1/13)=tan^-1(2/9)
01:56
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- Prove that tan ^(-1) . 1/5 + tan^(-1) . 1/7 + tan ^(-1) . 1/8 = pi/4
04:05
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- Prove that: sin^-1 (12/13)+cos^-1(4/5)+tan^-1(63/16)=pi
04:16
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- Prove that: cos^(-1)(12/13)+sin^(-1)(3/5)=sin^(-1)(56/65)
03:11
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- If x=tan^(- 1)(1)+cos^(- 1)(-1/2)+sin^(- 1)(-1/2) and y=cos[1/2cos...
04:02
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- Evaluate: tan{2tan^(-1)(1/5)-pi/4}
02:58
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