Question Text
Question 1 :
Trigonometry is used mainly due to the purpose of time keeping and _____.<br>
Question 3 :
Trigonometry is a branch of mathematics that studies relationships involving lengths and ______ of triangles.<br>
Question 6 :
Value of $ \displaystyle \sin 45^{\circ} \cos 45 \left ( \tan 45^{\circ}+\cot 45^{\circ} \right )^{2} $ is
Question 7 :
In which quadrant does the terminal side of the angle $70^o$ lie?<br/>
Question 8 :
Assertion: Statement 1: $ \sin 3^c < \sin 1^c < \sin 2^c$.
Reason: Statement 2: $ \sin x^o$ is positive for x in first and second quadrants.
Question 11 :
The value of $152.\left( \sin { { 30 }^{ o } } +2\cos ^{ 2 }{ { 45 }^{ o } } +3\sin { { 30 }^{ o } } +4\cos ^{ 2 }{ { 45 }^{ o } } +.....+17\sin { { 30 }^{ o } } +18\cos ^{ 2 }{ { 45 }^{ o } } \right) $ is