SSC CGL 202241)If \(\frac{\sin ^{2} ∅-3 \sin ∅+2}{\cos ^{2} ∅}=1 \), where 0° < ∅ < 90°, then what is the value of (cos 2∅ - sin 3∅ + cosec 2∅)?
\(\frac{-3+4 \sqrt{3}}{6}\)
SSC CGL 202242)If cosec A = sec B, where A and B are acute angles, then what is the value of (A + B)?
90°
SSC CGL 202243)The value of tan2θ + cot2θ - sec2θ cosec2θ is:
-2
SSC CGL 202244)What will be the value of \(\frac{\sin 30^{\circ} \sin 40^{\circ} \sin 50^{\circ} \sin 60^{\circ}}{\cos 30^{\circ} \cos 40^{\circ} \cos 50^{\circ} \cos 60^{\circ}} \)?
1
SSC CGL 202245)The value of (sin 30° cos 60°- cos 30° sin60°) is equal to:
-sin 30°
SSC CGL 202246)What is sin α - sin β?
\(2 \cos \frac{α+β}{2} \sin \frac{α-β}{2}\)
SSC CGL 202247)The value of \({{2 \tan 60°} \over 1+ \tan^260°}\) is:
sin 60°
SSC CGL 202248)What is the value of tan 240°?
\(\sqrt3\)
SSC CGL 202249)If tan θ + sec θ= 7, being acute, then the value of 5 sin is:
\({{24} \over 5}\)
SSC CGL 202250)\(16 \cos^3 {{\pi } \over 6} - 12 \cos {{\pi } \over 6} =\) _______________.
0