What is (csc(x)+1)(csc(x)-1) ?

The solution to (csc(x)+1)(csc(x)-1) is cot^2(x)

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simplify (csc(x)+1)(csc(x)-1)

simplify

(csc (x) + 1) (csc (x) - 1)

cot^{2} (x)

Solution steps

(csc (x) + 1) (csc (x) - 1)

Express with sin, cos

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

Rewrite using trig identities

= cot^{2} (x)

2^{2} + 1^{2} + 3^{2}

a - - b^{2}

- 24 \div 2

(- 2 + 4 i) - (3 + 9 i)

5 (a + 6) - a + 7 a - 18