Mathematics. How To Find The Differentiation Of Trigonometric Functions? How Come The Sky Looks Blue From Earth But From Outer Space The Sky Looks Black And Earth Looks Blue?

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Mathematics : How To Find The Differentiation Of Trigonometric Functions

Does anyone know how to find the differentiation of a trigonometric function? == Before you answer, read that again. I wont let ten points be awarded to anyone that cant/wont answer my question. I feel no need to reiterate, re-word or otherwise re-emphasize a fairly straight-forward question. Im sure you understand that I am simply tired of point gamers looking to be the first answerer, and with no regard for the quality of their answer much less whether or not they even do answer. Just take a look at the first answerer... this person didnt even give me a personalized answer... she quoted from an online resource, didnt even site her source, and didnt even come close to answering my question... but she was the first to answer and inconveniently takes up three pages worth of text on the screen. I hate sorting through stupid peoples stupid answers to find some iota of good information. Thank you BiologyGrad. Thank you for your answer. Although it is lacking it is the only one thus far that provides any useful information. I still dont see how you have proven the math. lim_u-gt;0 (sin u)/u = 1 How? Can you prove that without finding the derivative of sine all over again with lHopitals rule? Thank you Puggy. That is what I was looking for. But it is still lacking. Proove that the limit, as h approaches zero, of the quotient between sine h and h equals one. Proove that the limit, as h approaches zero, of the quotient between cosine of h minus one and h equals zero. Proove that the limit, as h approaches zero, of the quotient between eulers e raised to the power of h, minus one, and h equals one. ~~~ CogitoErgoCogitoSum ~~~

Earth Sciences Geology : How Come The Sky Looks Blue From Earth But From Outer Space The Sky Looks Black And Earth Looks Blue

I thought of this when looking of some photos taken of earth from outer space. ~~~ Sweet Cupcake ~~~

Earth Sciences Geology : What Is That Big Crack In California That Supposivley Is Going To Cause A Huge Earthquake Someday Called

I forget what its called and I want to look up images of it on google. I know a huge earthquake is supposed to happen and stuff. What is that crack called? In California? ~~~ Emma R ~~~

Mathematics : How Many Different Ways Can You Rearrange 9 Items So That There Are No Duplicate Arrangements

This is not a factorial because in this problem each item can only be used once. So 111111111 is not a viable option, nor would be both 12 and 21 because they are the same items just in different order. I need to know all of the possible arrangements ranging from 1 unit in length all the way to 9 units in length. ~~~ andazzo ~~~

Mathematics : What Are Some Reasons Prime Numbers Are So Important To Mathematicians

Ive seen a few unproved theorems (The Rieman Hypothesis was one of them) in which prime numbers played a critical role. And I also heard that prime numbers are the building blocks for other prime numbers. Can anyone explain why? ~~~ meeeeeee ~~~