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受欢迎的三角函数 >

sec(x+45)=1

解答

sec (x + 4 5^{\circ}) = 1

解答

x = 36 0^{\circ} n - 4 5^{\circ}

+1

弧度

x = - \frac{π}{4} + 2 πn

求解步骤

sec (x + 4 5^{\circ}) = 1

sec (x + 4 5^{\circ}) = 1

的通解

sec (x)

周期表（周期为

36 0^{\circ} n

）：

x 0 3 0^{\circ} 4 5^{\circ} 6 0^{\circ} 9 0^{\circ} 12 0^{\circ} 13 5^{\circ} 15 0^{\circ} sec (x) 1 \frac{2 3}{3} 22 Undefined - 2 - 2 - \frac{2 3}{3} x 18 0^{\circ} 21 0^{\circ} 22 5^{\circ} 24 0^{\circ} 27 0^{\circ} 30 0^{\circ} 31 5^{\circ} 33 0^{\circ} sec (x) - 1 - \frac{2 3}{3} - 2 - 2 Undefined 22 \frac{2 3}{3}

x + 4 5^{\circ} = 0 + 36 0^{\circ} n

x + 4 5^{\circ} = 0 + 36 0^{\circ} n

解

x + 4 5^{\circ} = 0 + 36 0^{\circ} n : x = 36 0^{\circ} n - 4 5^{\circ}

x + 4 5^{\circ} = 0 + 36 0^{\circ} n

0 + 36 0^{\circ} n = 36 0^{\circ} n

x + 4 5^{\circ} = 36 0^{\circ} n

将

4 5^{\circ}

到右边

x + 4 5^{\circ} = 36 0^{\circ} n

两边减去

4 5^{\circ}

x + 4 5^{\circ} - 4 5^{\circ} = 36 0^{\circ} n - 4 5^{\circ}

化简

x = 36 0^{\circ} n - 4 5^{\circ}

x = 36 0^{\circ} n - 4 5^{\circ}

x = 36 0^{\circ} n - 4 5^{\circ}

作图

流行的例子

117.72sin(θ)-35.316cos(θ)-12.5=0

117.72 sin (θ) - 35.316 cos (θ) - 12.5 = 0

1/(cot^2(x))+sqrt(3)tan(x)=0

\frac{1}{cot ^{2} ( x )} + 3 tan (x) = 0

tan (x) = 0.23

tan (x) = 0.45

2cos(x)-1=sec(x)

2 cos (x) - 1 = sec (x)