Đề thi HK2 môn Toán lớp 10 THPT Nhân Chính Hà Nội...

A \( - \frac{\pi }{5}\)                            

B \(\frac{{6\pi }}{5}\)                              

C \(\frac{{31\pi }}{5}\)                             

D \(\frac{{16\pi }}{5}\)

A \(3\)

B \(1\)

C \(4\)

D \(2\)

A \(\sin x - \cos x\)

B \(\sin x + \cos x\)

C \(\cos x - \sin x\)

D \(2\cos x\)                   

A \( - \frac{7}{{25}}\).

B \( - \frac{{31}}{{25}}\).

C \(\frac{{24}}{{25}}\).

D \(\frac{{17}}{{25}}\).

A \(\frac{2}{7}\)        

B \(\frac{2}{3}\)

C \(\frac{5}{{21}}\)

D \(\frac{{31}}{{21}}\)

A \(1\)  

B \(2\)

C \(3\)

D \(4\)

A \(\sin \frac{{B + C}}{2} = \sin \frac{A}{2}\)

B \(\sin \frac{{B + C}}{2} = \cos \frac{A}{2}\)    

C \(\sin \frac{{B + C}}{2} =  - \sin \frac{A}{2}\)

D \(\sin \frac{{B + C}}{2} =  - \cos \frac{A}{2}\)

A \( - 1\)

B \( - 4\)

C \(2\)

D \( - 2\)

A \(\tan 2x = \frac{{2\tan x}}{{1 - {{\tan }^2}x}}\)    

B \(1 - \sin 2x = {\left( {\sin x - \cos x} \right)^2}\)                             

C \({\sin ^2}2x = \frac{{1 - \cos 4x}}{2}\)           

D \({\sin ^4}x - {\cos ^4}x = \cos 2x\)

A \(\frac{{\tan x}}{{\sin x}} - \frac{{\sin x}}{{\cot x}}\)

B \(\frac{{\sin 2x}}{{1 + \cos 2x}}\)                  

C \(\sin \left( {x + y} \right)\sin \left( {x - y} \right) + {\cos ^2}x - {\cos ^2}y\)

D \(\left( {\sin x + \cos x + 1} \right)\left( {\sin x + \cos x - 1} \right)\)

A \({x^2} + {y^2} + 1 = 0\)

B \({x^2} + 2{y^2} - 3x = 0\)

C \({x^2} + {y^2} = 2\)    

D \({x^2} + {y^2} - 4xy - 4 = 0\)

A \({\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 20\)

B \({\left( {x - 2} \right)^2} + {\left( {y - 1} \right)^2} = 20\)            

C \({\left( {x + 1} \right)^2} + {\left( {y - 3} \right)^2} = 5\)

D \({\left( {x - 2} \right)^2} + {\left( {y - 1} \right)^2} = 5\)

A \(5\)

B \(4\)

C \(3\)

D \(2\)

A \(x - 2y + 4 = 0\) và \(x - 2y - 6 = 0\)

B \(2x - 4y + 3 = 0\) và \(2x - 4y - 5 = 0\)        

C \(x - 2y - 5 = 0\) và \(x - 2y + 15 = 0\)

D \(3x - 6y - 1 = 0\) và \(3x - 6y - 2 = 0\)

A \(1\)

B \(13\)                 

C \(26\)

D \(50\)

A \(\begin{array}{l}{\rm{a)}}\,\,P = 0\\{\rm{b)}}\,\,Q = \cot y\end{array}\)

B \(\begin{array}{l}{\rm{a)}}\,\,P = 1\\{\rm{b)}}\,\,Q =  - \cot y\end{array}\)

C \(\begin{array}{l}{\rm{a)}}\,\,P = 2\\{\rm{b)}}\,\,Q = \tan y\end{array}\)

D \(\begin{array}{l}{\rm{a)}}\,\,P =  - 1\\{\rm{b)}}\,\,Q =  - \tan y\end{array}\)

A \({x^2} + {y^2} + 2x - 16y - 59 = 0.\)

B \({x^2} + {y^2} - 2x + 16y - 69 = 0.\)

C \({x^2} + {y^2} - 2x - 16y - 79 = 0.\)

D \({x^2} + {y^2} + 2x + 16y - 89 = 0.\)

A \(A\left( { - 3;0} \right)\) và \(A\left( { - 3;4} \right).\)

B \(A\left( { - 3;0} \right)\) và \(A\left( { - 3;2} \right).\)

C \(A\left( {3;0} \right)\) và \(A\left( {3;2} \right).\)

D \(A\left( {3;0} \right)\) và \(A\left( {3;4} \right).\)