31. If tan2θ = 1 - e2, then the value of secθ + tan3θ.cosecθ is?
32. If $$\frac{{{\text{cos }}\alpha }}{{{\text{cos }}\beta }} = a$$ and $$\frac{{{\text{sin }}\alpha }}{{{\text{sin }}\beta }} = b{\text{,}}$$ then the value of $${\sin ^2}\beta $$ in terms of a and b is?
33. sinθ = 0.7 then cosθ, 0 ≤ θ < 90° is?
34. If $${\text{2}}\sin \theta + {\text{cos}}\theta = \frac{7}{3}{\text{,}}$$ then the value of $$\left( {{\text{ta}}{{\text{n}}^2}\theta - {{\sec }^2}\theta } \right)$$ is?
35. The value of $${\sec ^2}\theta $$ - $$\frac{{{{\sin }^2}\theta - 2{{\sin }^4}\theta }}{{{\text{2co}}{{\text{s}}^4}\theta - {\text{co}}{{\text{s}}^2}\theta }}$$ is?
36. $$\sqrt {\frac{{1 + {\text{sin }}\theta }}{{1 - {\text{sin }}\theta }}} $$ + $$\sqrt {\frac{{1 - {\text{sin }}\theta }}{{1 + {\text{sin }}\theta }}} $$ is equal to?
37. If $${\left( {r\cos \theta - \sqrt 3 } \right)^2}$$ + $${\left( {r\sin \theta - 1} \right)^2}$$ = 0, then the value of $$\frac{{r\tan \theta + \sec \theta }}{{r\sec \theta + \tan \theta }}$$ is equal to?
38. Let A, B, C, D be the angles of a quadrilateral. If they are concyclic, then the value of cos A + cos B + cos C + cos D is ?
39. If $$\frac{{{\text{sec}}\theta + {\text{tan}}\theta }}{{{\text{sec}}\theta - {\text{tan}}\theta }} = 2\frac{{51}}{{79}}{\text{,}}$$ then the value of $$\sin \theta $$ is?
40. If 1 + cos2θ = 3sinθ cosθ, then the integral value of cotθ is $$\left( {0 < \theta < \frac{\pi }{2}} \right) = \,?$$
Read More Section(Trigonometry)
Each Section contains maximum 100 MCQs question on Trigonometry. To get more questions visit other sections.