Choose the correct answer The value of is The image shows the mathematical expression sin^(-1)(cos(33pi/5)).

Q19 of 303 Page 4

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The value of is

We need to find the value of .

Using the trigonometric identity,

As the function lies in I Quadrant and so it will be positive.

Using the trigonometric identity,

Using property of inverse trigonometry,

sin^-1(sin A) = A

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If , then 9x² – 12xy cos θ + 4y² is equal to

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If tan^–1 3 + tan^–1x = tan^–1 8, then x =

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The value of is

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is equal to