Arthur D. answered • 07/17/14
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1+tan2(x)=sec2(x)
1+(-2)2=sec2(x)
1+4=sec2(x)
5=sec2(x)
sec(x)=√5
SHEILY A.
asked • 07/17/14find sec ?.
If tan θ = -2 and sin θ < 0,
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