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Popular >

simplify 2cos^2(5x)-1

Solution

simplify

2 cos^{2} (5 x) - 1

Solution

cos (10 x)

Solution steps

2 cos^{2} (5 x) - 1

Rewrite using trig identities

= cos (10 x)

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Frequently Asked Questions (FAQ)

What is 2cos^2(5x)-1 ?
The solution to 2cos^2(5x)-1 is cos(10x)