What is cos^2(2pit)+sin^2(2pit) ?

The solution to cos^2(2pit)+sin^2(2pit) is 1

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simplify cos^2(2pit)+sin^2(2pit)

simplify

cos^{2} (2 π t) + sin^{2} (2 π t)

1

Solution steps

cos^{2} (2 π t) + sin^{2} (2 π t)

Use the Pythagorean identity:

cos^{2} (x) + sin^{2} (x) = 1

= 1

f (x) = sec (\frac{1}{4}) x

sec (x) \cdot csc (- tan (x))

- csc (- x)

cos (x) + cos (π - x)

sin (3 π + x)