Question: cot 38 cot 52 cot 78 cot60 10.) AOB of a circle at a central angle is a nass and a point C at a

cot 38" cot 52" cot 78" cot60 10. ) AOB C A,

cot 38 "cot 52" cot 78 "cot60 10.) AOB of a circle at a central angle is a nass and a point C at a corner of a statue. A, C, B, C 40, C a Ce a, (i) tanZABC CO1ZACO ( ii) cosec'CAB-1-tanZABC (1) without 'ZBCO + without' ZACC-1

cot 38" cot 52" cot 78" cot60 10. ) AOB C A, C, B, C 40, C a Ce a, (i) tanZABC CO1ZACO (ii) cosec'CAB-1-tanZABC (1) sin' ZBCO+ sin' ZACC-1

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