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haileyy0401
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How do you simplify an trigonometric equation like the following?
 2 years ago
 2 years ago
haileyy0401 Group Title
How do you simplify an trigonometric equation like the following?
 2 years ago
 2 years ago

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

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

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

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

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

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

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

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

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

hubertH Group TitleBest ResponseYou've already chosen the best response.0
1cos^2=(1cos)(1+cos)
 one year ago
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