Question

Sin^2b-sin^2b*cos^2b

Answer 1

sin²b-sin²b*cos²b=sin²b(1-cos²b)=sin²b*sin²b=sin⁴b

Answer 2

Ответ:

sin(b)^{4}

Объяснение:

sin(b)^{2} - sin(b)^{2} * cos(b)^{2}

sin(b)^{2} * (1 - cos(b)^{2})

sin(b)^{2} * sin(b)^{2}

sin(b)^{4}