$Ta{n}^2\theta -se{c}^2\theta =\mathrm{.}\mathrm{.}\mathrm{.}Tan^2\; \backslash theta-sec^2\backslash theta=...$

In $\mathrm{△}ABC,\backslash triangle\; ABC,$ Sin C = $\frac{3}{5}\backslash frac\{3\}\{5\}$ . Then Cos A = …………

If cot A = $\frac{5}{12}\backslash frac\{5\}\{12\}$ , then sin A + cos A is …………

Which of following values is not a possible value of sin x ?

Which of the following is not defined ?

If Sin A = $\frac{24}{25}\backslash frac\{24\}\{25\}$ then Cot A = …………

In $\mathrm{△}PQR,\mathrm{\angle }Q\backslash triangle\; PQR,\; \backslash angle\; Q$ = 90°; PQ = 5 cm; PR = 13 cm then QR =

If Sin A = $\frac{3}{5}\backslash frac\{3\}\{5\}$ then Cos A =

8 Tan A = 15 then Sin A – Cos A =

$si{n}^{2}60^{\circ }+co{s}^{2}30^{\circ }+ta{n}^{2}60^{\circ }sin^2\; \backslash ,\; 60^\backslash circ\; +\; cos^2\; \backslash ,\; 30^\backslash circ\; +\; tan^2\backslash ,\; 60^\backslash circ$ =