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Evaluate the following expression: cos...

Evaluate the following expression:
`cos("sin"^(-1)4/5+"cos"^(-1)2/3)`

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The correct Answer is:
`(6-4sqrt(5))/15`
NA
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RESONANCE-RELATION, FUNCTION & ITF-SUBJECTIVE_TYPE
  1. Evaluate the following expression: tan("cosec"^(-1)65/63)

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  2. Evaluate the following expression: sin((pi)/6+"cos"^(-1)1/4)

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  3. Evaluate the following expression: cos("sin"^(-1)4/5+"cos"^(-1)2/3)

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  4. Evaluate the following expression: sec(tan{tan^(-1)(-(pi)/3)})

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  5. Evaluate the following expression: cos tan^(-1)sin cot^(-1)(1/2)

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  6. Evaluate the following expression: tan [cos^(-1)(3/4)+sin^(-1)(3/4)-...

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  7. Find the value of sin^(-1)(cos(sin^(-1)x))+cos^(-1)(sin(cos^(-1)x))

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  8. tan^(-1)x + cot^(-1) (1/x) + 2tan^(-1)z =pi, then prove that x + y + 2...

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  9. If cos^(-1)x+2sin^(-1)x+3cot^(-1)y+4tan^(-1)y=4sec^(-1)z+5cosec^(-1)z,...

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  10. Consider f(x)=tan^(-1)(2/x),g(x)=sin^(-1)(2/(sqrt(4+x^(2)))) and h(x)=...

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  11. Prove each of the following tan^(-1) x=-pi +cot^(-1) 1/x=sin^(-1) (x...

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  12. Prove each of the following relation: cos^(-1)x=sec^(-1)1/x=pi-sin^(...

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  13. Express in terms of : "tan"^(-1)(2x)/(1-x^(2) to tan^(-1)x for xgt1

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  14. Express in terms of : sin^(-1)(2xsqrt(1-x^(2))) to sin^(-1)x for 1gexg...

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  15. Express in terms of : cos^(-1)(2x^(2)-1) to cos^(-1)x for -1lexlt0

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  16. Simplity tan{1/2sin^(-1)((2x)/(1+x^(2)))+1/2cos^(-1)(1-y^(2))/(1+y^(2)...

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  17. Solve for x : cos(2sin^(-1)x)=1/3

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  18. Solve for x : cot^(-1)x+tan^(-1)3=(pi)/2

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  19. Solve : tan^(-1)(x-1)/(x-2)+tan^(-1)(x+1)/(x+2)=pi/4

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  20. Solve sin^(-1)x+sin^(-1)2x=pi/3dot

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