Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 May 2012)
done JEE Main Paper (Held On 19 May 2012) Total Questions - 1
question_answer1) Suppose \[\theta \] and \[\phi (\ne 0)\] are such that \[(\theta +\phi ),\sec \theta \]and \[\sec (\theta -\phi )\] are in A.P. If \[\cos \theta =k\cos \left( \frac{\phi }{2} \right)\] for some k, then A; is equal to
JEE Main Online Paper (Held On 19 May 2012)