Q2 Evaluate the following:
(i) 2 x (
cos220° + cos2 70° / sin225° + sin265°
)-tan 45° + tan 13° tan 23° tan 30° tan 67° tan 77°
(ii)
sin222° + sin2 68° / cos222° + cos268° + sin2 63° + cos 63° sin 27°


Solution



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