What is cot^2(t)(2sec^2(t)-2) ?

The solution to cot^2(t)(2sec^2(t)-2) is 2

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simplify cot^2(t)(2sec^2(t)-2)

simplify

cot^{2} (t) (2 sec^{2} (t) - 2)

2

Solution steps

cot^{2} (t) (2 sec^{2} (t) - 2)

Express with sin, cos

= \frac{2 - 2 cos ^{2} ( t )}{sin ^{2} ( t )}

Rewrite using trig identities

= 2

(m^{9})^{2}

(3 x + 7 y) (3 x - 7 y)

(x^{3} + 3 y) (x^{3} + 5 y)

4. 5^{2} + 3. 5^{2}

(2 x + 7) (x - 2)