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#1 2011-06-26 04:06:37

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

A sine and cosine inequality

Prove this:

Last edited by anonimnystefy (2011-06-27 00:51:23)


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#2 2011-06-26 04:38:07

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: A sine and cosine inequality

Hi anonimnystefy,

Are

  angles of a triangle?


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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#3 2011-06-26 04:43:18

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: A sine and cosine inequality

yes.an acute triangle.


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#4 2011-06-26 18:43:52

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: A sine and cosine inequality

Hi anonimnystefy,



"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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#5 2011-06-26 23:17:07

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: A sine and cosine inequality

hi gAr

thank you

if you could just clearify how you got to the first equation?


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

#6 2011-06-26 23:45:56

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: A sine and cosine inequality

Hi anonimnystefy,

You're welcome.
Use the formulas:


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

Offline

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