kellychu22
New member
i don't get what this means!
(1-cosy)(1+cosy)=(f
)^2
f=?
(2+tan^2x)/(sec^2x)-1=(f(x))^2
f(x)=?
(1-cosy)(1+cosy)=(f
)^2f
=?(2+tan^2x)/(sec^2x)-1=(f(x))^2
f(x)=?
simplify and write the trig expression in terms of sine and cosine?
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