If cosec $\theta \backslash theta$ + cot $\theta \backslash theta$ = 2, then cos $\theta \backslash theta$ =

If 4  $co{s}^2\theta -3cos^2\; \backslash theta-3$ = 0, then $sin\theta sin\; \backslash theta$ = ...........

If cos (A + B) = 0, cos B = $\frac{\sqrt{3}}{2}\backslash frac\{\backslash sqrt3\}\{2\}$ then A =

If $\sec \theta +\tan \theta =\frac{1}{3},\backslash sec\; \backslash theta\; +\backslash tan\; \backslash theta\; =\; \backslash frac\{1\}\{3\},$  then $\sec \theta -\tan \theta \backslash sec\; \backslash theta\; -\; \backslash tan\; \backslash theta$ = …………

If sin x = $\frac{5}{7}\backslash frac\{5\}\{7\}$, then cosec x = ………

Given $\mathrm{\angle }A\backslash angle\; A$ = 75°, $\mathrm{\angle }B\backslash angle\; B$ = 30°, then tan (A-B) = ……………

Which one of the following is NOT defined?

$\sqrt{\frac{1-Co{s}^{2}A}{1+Co{t}^{2}A}}=\backslash sqrt\{\backslash frac\{1-Cos^2\; A\}\{1+Cot^2\; A\}\}\; =$ ...........

tan 36°. tan 54° + sin 30° = ………

If sin A = $\frac{24}{25}\backslash frac\{24\}\{25\}$ , then sec A = ………