What is expand (cos(t)-1)^2+sin^2(t) ?

The solution to expand (cos(t)-1)^2+sin^2(t) is -2cos(t)+2

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expand (cos(t)-1)^2+sin^2(t)

expand

(cos (t) - 1)^{2} + sin^{2} (t)

- 2 cos (t) + 2

Solution steps

(cos (t) - 1)^{2} + sin^{2} (t)

Expand

(cos (t) - 1)^{2} : cos^{2} (t) - 2 cos (t) + 1

= cos^{2} (t) - 2 cos (t) + 1 + sin^{2} (t)

Rewrite using trig identities

= - 2 cos (t) + 2

\frac{\partial}{\partial y} ((z) (3 x + 5 y)^{9})

\frac{36 - 57 x + 15 x ^{2} - x ^{3}}{x ( 6 - x ) ^{2}}

(x - 3 - 2 i) (x - 3 + 2 i)

, 900 q - 10 w - 10 q (45 - \frac{1}{2} q)

(x 3 + 2 x)^{2}

What is expand (cos(t)-1)^2+sin^2(t) ?
The solution to expand (cos(t)-1)^2+sin^2(t) is -2cos(t)+2