solvefor c,cos^2(x)+cos(x)=1+sin^2(x)-sin(x)

解答

求解

c, cos^{2} (x) + cos (x) = 1 + sin^{2} (x) - sin (x)

对所有 c 为真; cos^{2} (x) + cos (x) = 1 + sin^{2} (x) - sin (x)

求解步骤

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

两侧相等

对所有 c 为真; cos^{2} (x) + cos (x) = 1 + sin^{2} (x) - sin (x)

\frac{cos ^{2} ( x ) - 1}{4} = 0

cos (x) + cos (3 x) = \frac{1}{2}

5 cos (2 x + 3) = sin (2 x + 3)

4 \cdot cos (x) + 3 \cdot sec (x) = 8

\frac{3}{5} = sin (x)