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maw [93]
3 years ago
8

Given that cos 160= -q, express each of the following in terms of q:

Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0
Hello,

cos 160°=-q

cos 20°=-cos 160°=q

sin 20°=√(1-q²)=sin 160°

tan -20°=tan 160=√(1-q²)/-q

cos 70°=sin 20°=√(1-q²)
mafiozo [28]3 years ago
4 0
Cos 160°=-q
cos 20°=-cos 160°=q
sin 20°=√(1-q²)=sin 160°
tan -20°=tan 160=√(1-q²)/-q
cos 70°=sin 20°=√(1-q²) 
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