Teaching Jharkhand (JSSC) TGT (6 to 8) Mock Test 2023-24 Mathematics Trigonometry Trigonometric Identities
यदि tan θ = \(\frac{1}{{\sqrt 7 }}\), तो \(\frac{{{\rm{cose}}{{\rm{c}}^{\rm{2}}}{\rm{\theta }}\, - {\rm{se}}{{\rm{c}}^{\rm{2}}}{\rm{\theta }}\,}}{{{\rm{cose}}{{\rm{c}}^{\rm{2}}}{\rm{\theta }}\, + {\rm{se}}{{\rm{c}}^{\rm{2}}}{\rm{\theta }}}}\) बराबर है:
1
\(\frac{{\sqrt 7 }}{4}\)
2
\(\frac{1}{4}\)
3
\(\frac{3}{4}\)
4
\(\frac{-3}{4}\)