Use this link: https://validator.w3.org/ Example: https://validator.w3.org/nu/?doc=http%3A%2F%2Flunlun.com%2F44%2F You'll receive hints how to fix the errors and warnings your page might generate.

Continue reading# Category: x

## NCSA license vs NC SA license

NCSA license: https://opensource.org/licenses/NCSA NC SA license: https://creativecommons.org/licenses/by-nc-sa/2.0/

Continue reading## tg 0 = ?

What is the tangent of zero? The tangent of zero is zero.

Continue reading## cos 0 degrees = ?

What is the cosine of zero degrees? The cosine of zero degrees is one.

Continue reading## cos 0 = ?

What is the cosine of zero? The cosine of zero is one.

Continue reading## sin 0 degrees = ?

What is the sine of zero degrees? Sine of zero degrees is zero.

Continue reading## sin 0 = ?

What is the sine of zero? Sine of zero is zero.

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