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What is the value of 2cos^2(75degrees) - 1?
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User Ehp
by
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2 Answers

5 votes

Explanation:

User Celada
by
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3 votes

Explanation:

2(cos 75)(cos75) -1

=2(0.6699) -1

=1.3398-1

=0.3398

User Arpit Svt
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