(ii) Use your answer to part (a) to solve the equation 2cosx-5sinx+1=0interval 0x 2元, giving your solutions to three significant figures.[3 marks] 相关知识点: 试题来源: 解析 bii(1/x+1/n)-1/(y+1)-sin4x+sinα⋅e_1⋅sinx+sinx+cosx+sinx+sinx+cosx+n⋅π/x+m/(2+x)...
Solve the equation. 2 sinx = 0.8. 0∘<x<360∘ Trigonometric Functions: Trigonometric functions are functions that relate an angle of a right triangle to the ratio of the lengths of the two sides of the triangle. The six basic trigonometric functions included sine, cosine, tangent, cosec...
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Find all solutions to the given equation in the interval [0, 2 pi). Give the exact solution. 1) 2 cos^2 x - sin x = 2. 2) 2 sin^2 x + cos x = 1. Find all solutions of the equation in the interval (0, 2 pi). 4 cos^2 ...
Find the equation of a curve passing through the point (0, 1). If the ... 08:57 Solve the differential equations: (d^2y)/(dx^2)=0. 01:08 Solve the differential equations: (d^2y)/(dx^2)=cosx-sinx 01:57 Solve the differential equations: (d^2y)/(dx^2)=x. 01:13 Solve the...
cos(2x)−2sin(x)−cos(x)2=−3 Solve for x x=2πn1+2π n1∈Z Graph Share Copy Copied to clipboard Examples
https://socratic.org/questions/how-do-you-verify-the-identity-cosx-1-sinx-1-sinx-cosx Wrong identity Explanation: This is a wrong identity. After cross multiplication --> cos2x can't be equal to (1−sinx)2 More Items Share Copy Copied to clipboard Examples Quadrati...
19. (a) Solve the equation 3sinx+4cosx=0 for 0°x360°. 相关知识点: 试题来源: 解析 答案x=127或x=307 解析 3sinx+4cosx=0⇒3sinx x=-4cosx⇒(sinx)/(CD)x=-4/3 p t tanx=-4/3 115 函数y=tanx周期为T=180° tanxx-s34( 80k,k∈z R=1时X=127k=2时X=3070 反馈 收藏 ...
4. (a)State the principal value of sin-'(b) Solve, for 0x2m, the equation 2 sin x = tan x. 相关知识点: 试题来源: 解析 (a) -60°Or-x/3 db) 2sinx=tanx 2sinx-(sinx)/(cosx)=0 sin*(2-1/(cosx))=0 sinx=0.000x=1/2 x=元(0r3.14) 02x=,(021.05,5.24) 反馈 收藏 ...
Solve the differential equation: (dy)/(dx)+y=cosx-sinx 01:46 Solve the differential equation: (dy)/(dx)+ytanx=2x+x^2tanx,0ltxltpi/2 01:30 Solve the differential equation: (dy)/(dx)+y/x= cosx+(sinx)/x),x>0 03:37 Solve the differential equation: x(dy)/(dx)+y=xlogx, x>...