関連ワード:  sec theta tan theta is equal to 2    root 2 sec theta tan theta is equal to 1    sec 2 theta tan 2 theta is equal to kya hota hai    sec 2 theta tan 2 theta is equal to dash    secant 2 theta tan 2 theta is equal to    secant ^ 2 theta - tan ^ 2 theta is equal to    sec theta tan theta 2 )( 1 sin theta is equal to    sec theta minus tan theta is equal to root 2 tan theta    if sec theta tan theta is equal to 2 then find tan theta    1 sec 2 theta tan 2 theta is equal to