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It seems like people just spout out nonsensical or absurd answers just to spite the person who is asking the question. Even worse they give them an obvious answer and up wasting everyone's time. Why can't people come up with more inventive and practical answers? Is it just me actually trying...

= cosθ / (1 - sinθ) = [cosθ / (1 - sinθ)] × [(1 + sinθ) / (1 + sinθ)] = [cosθ (1 + sinθ)] / [(1 - sinθ) (1 + sinθ)] = [cosθ (1 + sinθ)] / (1 - sin²θ) = [cosθ (1 + sinθ)] / cos²θ = (1 + sinθ) / cosθ = (1 / cosθ) + (sinθ / cosθ) = secθ + tanθ.

I've bought them and want to use them on my road bike, will it be ok?

do i know what kind of wheel to buy? I want to buy a pair that would help when i ride on those big climbs. I know that i need wheels that are light but like i said, they look the same to me (prices aren't the same though). So, what should i be looking for?

Ok so this happens only when i ride my bike and it starts to hurt when i've ridden for five or six minutes. What could be wrong here? I have this problem for months now and i don't even ride that hard. I'm 17 btw. Should i go see a doc? what if he asks me not to ride? i don't want that to happen!!

The pain usually just fades away when i keep riding for more the 10 or 20 mins. And i'm not hungry either - my stomach is full when i ride. I forgot to mention that i'm 17 years old and male.

What do you think of it? Can anyone who only know basic high school algebra study this book on their own?