What is expand cos^-(1)(a-b/a+b) ?

The solution to expand cos^-(1)(a-b/a+b) is cos^-(1)a-(cos^-(1)b)/a+cos^-(1)b

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expand cos^-(1)(a-b/a+b)

expand

cos^{-} (1) (a - \frac{b}{a} + b)

cos^{-} (1) a - \frac{cos ^{-} ( 1 ) b}{a} + cos^{-} (1) b

Solution steps

cos^{-} (1) (a - \frac{b}{a} + b)

Distribute parentheses

= cos^{-} (1) a + cos^{-} (1) (- \frac{b}{a}) + cos^{-} (1) b

Apply minus-plus rules

+ (- a) = - a

= cos^{-} (1) a - cos^{-} (1) \frac{b}{a} + cos^{-} (1) b

Multiply

cos^{-} (1) \frac{b}{a} : \frac{cos ^{-} ( 1 ) b}{a}

= cos^{-} (1) a - \frac{cos ^{-} ( 1 ) b}{a} + cos^{-} (1) b

- 13 (x - \frac{1}{2})

\frac{2 \cdot 3 ^{k} + 3 ( - 1 ) ^{k - 1} + 3}{2}

(2) (3 s + 1) (s + \frac{1}{16})

\frac{x + 1}{( 2 x - 1 ) x ^{2}}

5 (2 x)

What is expand cos^-(1)(a-b/a+b) ?
The solution to expand cos^-(1)(a-b/a+b) is cos^-(1)a-(cos^-(1)b)/a+cos^-(1)b