SOLUTION: sec σ = -4, 180° < σ < 270°. Find the exact value of sin σ/2 and cos σ/2
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-> SOLUTION: sec σ = -4, 180° < σ < 270°. Find the exact value of sin σ/2 and cos σ/2
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Question 867725
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sec σ = -4, 180° < σ < 270°. Find the exact value of sin σ/2 and cos σ/2
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lwsshak3(11628)
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sec σ = -4, 180° < σ < 270°. Find the exact value of sin σ/2 and cos σ/2
use x for σ
sec(x)=-4
cos(x)=-1/4
(