MCQs of ત્રિકોણમિતીય પ્રતિવિધેયો

Showing 71 to 80 out of 139 Questions

71.

\tan^{- 1} \frac{1}{5} + \tan^{- 1} \frac{1}{7} + \tan^{- 1} \frac{1}{3} +

_____ =

\frac{π}{4}

72.

\tan^{- 1} x + \tan^{- 1} y + \tan^{- 1} z = π

તો _____ .

73.

\cot^{- 1} \frac{1}{x} + \cot^{- 1} \frac{1}{y} + \cot^{- 1} \frac{1}{z}

= _____ તો

x y + y z + z x = 1 .

74.

જો a > b > c > 0, તો

\cot^{- 1} (\frac{ab + 1}{a - b}) + \cot^{- 1} (\frac{bc + 1}{b - c}) + \cot^{- 1} (\frac{ca + 1}{c - a})

= _____ .

75.

\tan (\frac{π}{4} + \frac{1}{2} \cos^{- 1} \frac{a}{b}) + \tan (\frac{π}{4} - \frac{1}{2} \cos^{- 1} \frac{a}{b})

= _____ .

76.

\sum_{r = 1}^{n} \tan^{- 1} (\frac{1}{1 + r (r + 1)})

= _____

- \frac{π}{4}

77.

\cot^{- 1} 1 + \tan^{- 1} + \cot^{- 1}

(_____) =

π

78.

\cos^{- 1} \frac{4}{5} + \sin^{- 1} \frac{5}{13} = \cot^{- 1}

(_____)

79.

\sin^{- 1} \frac{3}{5} + \cos^{- 1}

( _____)

= \cot^{- 1} (\frac{7}{24})

80.

\tan^{- 1} \frac{x - 1}{x - 2} + \tan^{- 1} \frac{x + 1}{x + 2} = \frac{π}{4}

નો ઉકેલગણ _____ છે

Showing 71 to 80 out of 139 Questions