What is cos^2(x)(sec^2(x)-1) ?

The solution to cos^2(x)(sec^2(x)-1) is sin^2(x)

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simplify cos^2(x)(sec^2(x)-1)

simplify

cos^{2} (x) (sec^{2} (x) - 1)

sin^{2} (x)

Solution steps

cos^{2} (x) (sec^{2} (x) - 1)

Express with sin, cos

= 1 - cos^{2} (x)

Rewrite using trig identities

= sin^{2} (x)

cos^{2} (x) - cos (x)

ln (e^{x y})

(x + 7) (x - 7) - (x - 6) (x + 6) + 13

5 \frac{1}{3} \div \frac{1}{2}

(2 x - 3 y + z) a + (3 y - 2 x - z) b