Trigonometry MCQs
Practice free Trigonometry multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 357 questions — no login required.
Question 181easy
The value of tan2θ + cot2θ - sec2θcosec2θ is equal to:
Question 182easy
$$\frac{{{{\left( {1 + \cos \theta } \right)}^2} + {{\sin }^2}\theta }}{{\left( {{\text{cose}}{{\text{c}}^2}\theta - 1} \right){{\sin }^2}\theta }} = ?$$
Question 183easy
If $${\text{se}}{{\text{c}}^2}\theta + {\text{ta}}{{\text{n}}^2}\theta = \frac{7}{{12}}{\text{,}}$$ then $${\text{se}}{{\text{c}}^4}\theta $$ - $${\text{ta}}{{\text{n}}^4}\theta $$ = ?
Advertisement
Question 184easy
The numerical value of 1 + $$\frac{1}{{{\text{co}}{{\text{t}}^2}{{63}^ \circ }}}$$ - $${\text{se}}{{\text{c}}^2}{27^ \circ }$$ + $$\frac{1}{{{{\sin }^2}{{63}^ \circ }}}$$ - $${\text{cose}}{{\text{c}}^2}{27^ \circ }$$ is?
Question 185easy
$$\frac{{1 + \cos \theta - {{\sin }^2}\theta }}{{\sin \theta \left( {1 + \cos \theta } \right)}} \times \frac{{\sqrt {{{\sec }^2}\theta + {\text{cose}}{{\text{c}}^2}\theta } }}{{\tan \theta + \cot \theta }},$$ 0° < θ < 90°, is equal to:
Question 186easy
If ∠A and ∠B are complementary to each other, then the value of sec2A + sec2B - sec2A.sec2B is?
Advertisement
Question 187easy
Let $${\text{a}} = \frac{{2\sin x}}{{1 + \sin x + \cos x}}$$ and $${\text{b}} = \frac{{\text{c}}}{{1 + \sin x}}.$$ Then a = b, if c = ?
Question 188easy
If $${\text{co}}{{\text{s}}^4}\theta - {\sin ^4}\theta = \frac{2}{3}{\text{,}}$$ then the value of $${\text{2co}}{{\text{s}}^2}\theta - 1$$ is?
Question 189easy
If xsin60°.tan30° - tan245° = cosec60°.cot30° - sec245° then x = ?