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The value of cos[1/2cos^(-1)(cos(-(14pi)...

The value of `cos[1/2cos^(-1)(cos(-(14pi)/5))]\ ` is/are a.`cos(-(7pi)/5)` b. `sin(pi/(10))` c.`cos((2pi)/5)\ ` d. `-cos((3pi)/5)`

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Which of the following is/are the value of "cos"[1/2cos^(-1)(cos(-(14pi)/5)]? cos(-(7pi)/5) (b) sin(pi/(10)) cos((2pi)/5) (d) -cos((3pi)/5)

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ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
  1. Sum of infinite terms of the series cos^(-1) ( 1^(2) + 3/4) + cot^(-...

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  2. If the numerical value of tan(cos^(-1)((4)/(5))+tan^(-1)((2)/(3)))" i...

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  3. The value of cos[1/2cos^(-1)(cos(-(14pi)/5))]\ is/are a.cos(-(7pi)/...

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  4. Prove that tan^(-1).(1)/(4) + tan^(-1).(2)/(9) = (1)/(2) cos ^(-1).(3)...

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  5. Solve: sin^(-1)(3x)/5+sin^(-1)(4x)/5=sin^(-1)x

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  6. Evaluate: sin(cot^(-1)x) (ii) cos(tan^(-1)x)

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  7. sin(cot^(-1)(tan(tan^(-1)x))),"x" in (0," 1]

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  8. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  9. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  10. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  11. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  12. Statement I is True: Statement II is True; Statement II is a correct ...

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  13. Statement I is True: Statement II is True; Statement II is a correct ...

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  14. : Find the value of cot (tan^-1 α + cot^-1 α).

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  15. Determine the principal value of cos^-1( -1/2).

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  16. A.Statement I is True: Statement II is True; Statement II is a correct...

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  17. The number of ordered pair (x ,\ y) satisfying correspondence C1 is 1 ...

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  18. The number of ordered pairs of integers (x,y) satisfying the equation ...

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  19. is a function which is- a.  one-one           b.  many-one         ...

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  20. p+r+2q= 1 b. 2 c. 0 d. 4

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