If cos + cos = 2, then the value of tan& – McqOptions

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1.	If cos + cos = 2, then the value of tan&
A.	- 1
B.	0
C.	1
D.	<table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td></tr><td align="center"> <span style=" text-decoration: overline;">3</span></td></table>
Answer» C. 1

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