If cos 55° and sin 55° = 0.8 each then answer of 3 cos 125° + 5 – McqOptions

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1.	If cos 55° and sin 55° = 0.8 each then answer of 3 cos 125° + 5 sin 125° is
A.	0.6
B.	1.6
C.	2.3
D.	2.5
Answer» C. 2.3

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