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Squares of Sine and Cosine
This Demonstration shows formulas for the square of sine and cosine (which are also known as half-angle formulas):
,
.
Contributed by:
Izidor Hafner
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Trigonometry
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Squares of Sine and Cosine
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/SquaresOfSineAndCosine/
Contributed by:
Izidor Hafner
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