Tan alpha=m Cos2 alpha =.. A.1-m^ B.2(1-m^) C.1-m^/(1+m)^ D. (1+m)^/1+m^ E.1-m^/1+m^
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Tan alpha=m
Cos2 alpha =..
A.1-m^
B.2(1-m^)
C.1-m^/(1+m)^
D. (1+m)^/1+m^
E.1-m^/1+m^
Cos2 alpha =..
A.1-m^
B.2(1-m^)
C.1-m^/(1+m)^
D. (1+m)^/1+m^
E.1-m^/1+m^
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