Wednesday, August 7, 2013

trigonometry - NCERT ↑↑↑↑↑


                                                                                                                                                                             

trigonometry --- NCERT ↑↑↑↑↑





                                                                     

trigonometry NCERT ↑↑↑↑↑






Trigonometry NCERT ↑↑↑↑↑

Given that sinθ + 2cosθ = 1, then prove that 2sinθ – cosθ = 2


NCERT EXEMPLARY QUESTION