Sin x cosec x - sin2 x = cos2 x

ini soal pembuktian
ktentuan 1 - sin^2 x = cos^2 x


Sin x cosec x - sin^2 x = cos ^2 x

Sin x (1/sin x) - sin^2 x = cos^2 x

1 - sin^2 x = cos^2 x

cos^2 x = cos^2 x



good luck

sinx cosec x - sin² x= cos²x
sin x • 1/sinx -sin2x =cos²x
1-sin²x=cos²x
cos²x=cos²x

cttn
sin²x cos²x=1
cos²x=1-sin²x