Question

Упростите выражение 4-3sin^(2)x-3cos^(2)x

Answer 1

4-3sin^(2)x-3cos^(2)x=4-3(sin^2(x)+cos^2(x))=4-3=1

Answer 2

4-3sin^(2)x-3cos^(2)x=4-3cos2x