Friday 26 July 2019

TRIGONOMETRICAL IDENTITIES - PART – 71

105. (sin Ꝋ + 2sec Ꝋ)2 + (cos Ꝋ + cosec Ꝋ)2
=
(1 + sec Ꝋ cosec Ꝋ)2


No comments:

Post a Comment