Question

what is cos squared theta equals to​

Answer 1

Answer:

The cosine double angle formula is cos(2theta)=cos2(theta) - sin2(theta). ... Cosine squared plus sine squared equals 1 can also be written cosine squared theta equals 1 minus sine squared theta or sine squared theta equals 1 minus cosine squared theta.

Answer 2

Answer:

1-sin squared thita........................