JEE Main 202225 Jun, Morning shiftPhysicsEasyKinematics177× since 2002Which of the following relations is true for two unit vector A^\widehat AA and B^\widehat BB making an angle θ\thetaθ to each other?AOption A. ∣A^+B^∣=∣A^−B^∣tanθ2|\widehat A + \widehat B| = |\widehat A - \widehat B|\tan {\theta \over 2}∣A+B∣=∣A−B∣tan2θBOption B. ∣A^−B^∣=∣A^+B^∣tanθ2|\widehat A - \widehat B| = |\widehat A + \widehat B|\tan {\theta \over 2}∣A−B∣=∣A+B∣tan2θCOption C. ∣A^+B^∣=∣A^−B^∣cosθ2|\widehat A + \widehat B| = |\widehat A - \widehat B|cos{\theta \over 2}∣A+B∣=∣A−B∣cos2θDOption D. ∣A^−B^∣=∣A^+B^∣cosθ2|\widehat A - \widehat B| = |\widehat A + \widehat B|\cos {\theta \over 2}∣A−B∣=∣A+B∣cos2θCheckSkip · show solution