If cos 55° and sin 55° = 0.8 each then answer of cos 125° + 5 si – McqOptions

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1.	If cos 55° and sin 55° = 0.8 each then answer of cos 125° + 5 sin 55° is
A.	0.8
B.	2.4
C.	2.8
D.	3.2
Answer» C. 2.8

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