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haileyy0401
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1355951638823:dw

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0u need ur identities, from s\[\sin^2+\cos ^2=1\] make sin the subject of the formula

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0\[\frac{ \sin ^2\theta }{ 1\cos \theta } =\frac{ 1\cos ^2\theta }{ 1\cos \theta } =\frac{( 1\cos \theta)(1+\cos \theta) }{ (1\cos \theta) }\]

haileyy0401
 2 years ago
Best ResponseYou've already chosen the best response.0How do you get sin theta squared is equal to (1cos)(1+cos)?

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0do u know this identity?\[\sin ^2\theta+\cos ^2\theta=1\]

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0now try make sin^2 the subvject of the formula what do u get?

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0u'll get a difference of two squares which i'm sure u can solve

haileyy0401
 2 years ago
Best ResponseYou've already chosen the best response.0you would get sin^2 theta= 1cos^2 theta?

hubertH
 2 years ago
Best ResponseYou've already chosen the best response.0yes can u now see that 1 cos^2 theta is a fifference of two squares?
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