If $\sin A = \frac {12}{13}$, which of the following is incorrect
  • cos A = 5/13
  • cot A= 5/12
  • sec A = 13/12
  • cosec A = 13/12
The value of $2 (\cos ^2 45 + \tan ^2 60) – 6( \sin ^2 45 - \tan ^2 30)$  is
  • 6
  • 0
  • -1
  • -6
Statement A :   $\sin ^2 35 + \sin ^2 55= 1/2$ Statement B :  The value of  $5 \sec ^2 A – 5 \tan ^2 A=1$
  • Both the statement are correct
  • Both the statement are incorrect
  • A is correct only
  • B is correct only
If $\sin A – \cos A = 0$, then the value of $(\sin ^4 A + \cos ^4 A)$ is
  • 1
  • 1/2
  • 3/4
  • 1/3
The value of $\tan 41 \tan 24 \tan 49 \tan 66 $ is
  • -1
  • 0
  • 1
  • None of the above
if  $ \sec A + \tan A = p$, then $\tan A$ equals to
  • $\frac {p^2 +1}{p}$
  • $\frac {p^2 -1}{2p}$
  • $\frac {p^2 -1}{p}$
  • $\frac {p^2 +1}{2p}$
if Cos A =1/2 ,then value $ \frac {2 \sec A}{1 + \tan ^2 A}$ is
  • -1
  • 0
  • 1/2
  • 1
$tan^2 A - \frac {1}{cos^2 A}$ =
  • 1
  • -1
  • 0
  • 1/2
$cot \theta -tan \theta$  =
  • $\frac {1 + 2 cos^2 \theta}{sin \theta cos \theta}$
  • $\frac {1 -2 cos^2 \theta}{sin \theta cos \theta}$
  • $\frac {2 cos^2 \theta -1}{sin \theta cos \theta}$
  • None of these
Value of cos 0°. Cos 30° .cos 45° . cos 60° . cos 90° is
  • 1
  • -1
  • 0
  • 2
Statement A :   $\frac {tan 27^0}{cot 63^0}= 1$ Statement B :  The value of  $sin 60 cos 30 + sin 30 cos 60 =1$
  • Both the statements are correct
  • Both the statements are incorrect
  • A is correct only
  • B is correct only
tan 18 tan 23 tan 72 tan 67 is
  • 1
  • -1
  • 0
  • 2
The value of (sin30° + cos30°) – (sin60° + cos60° ) is
  • 2
  • 1
  • -1
  • 0
Given $Sin A = \frac {\sqrt 3}{2}$ and ܿ cos B=0 then the value of B -A is
  • 0°
  • 90°
  • 60°
  • 30°
0 h : 0 m : 1 s

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