化简 (1-sin^2(x))^2

解答

化简

(1 - sin^{2} (x))^{2}

cos^{4} (x)

求解步骤

(1 - sin^{2} (x))^{2}

化简

1 - sin^{2} (x) : cos^{2} (x)

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

使用指数法则:

(a^{b})^{c} = a^{b c},

假定

a \geq 0

= cos^{2 \cdot 2} (x)

数字相乘:

2 \cdot 2 = 4

= cos^{4} (x)

s im pl i f y \frac{\frac{x - 5}{6}}{\frac{2 x - 10}{12}}

e x p an d (7 a^{6} + 12 a)^{2}

s im pl i f y 3 (x + 4) - (2 x + 7)

s im pl i f y 5 \frac{x ^{15} z ^{5}}{y ^{50}}

s im pl i f y \frac{a ^{2} - 1}{a + 1}