Question

Which equation shows that the Pythagorean identity is true for 0 = 27? Select

the equation that is in the form sin?(27) + cos2(27) = 1.
A. 02 + (-1)2 = 1
B. 02 + 12 = 1
C. (-1)² + 02 = 1
D. 12 + 02 = 1

Answer 1

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Answer:

B. 0^2 +1^2 = 1

Explanation:

For θ = 2π, the trig identity is ...

sin(2π)² +cos(2π)² = 1

0² +1² = 1