`8 sin x=sqrt(3)/(cos x)+1/(sin x)` or `8 sin^(2) x cos x=sqrt(3) sin x + cos x` or `4(2 sin x cos x) sin x =sqrt(3)sin x+ cos x` or `2(2 sin 2x sin x)=sqrt(3) sin x+ cos x` or `2 cos x-2 cos 3x =sqrt(3) sin x+ cos x` or `cos x-sqrt(3) sin x =2 cos 3x` or `cos 3x=cos(x+pi/3)` `rArr 3x=2n pi pm (x+pi/3), n in Z` By taking positive sign, `x= npi+pi/6, n in Z` By taking negative sign, `x=(npi)/2-pi/12, n in Z`
Topper's Solved these Questions
TRIGONOMETRIC EQUATIONS
CENGAGE|Exercise Exercise 4.1|12 Videos
TRIGONOMETRIC EQUATIONS
CENGAGE|Exercise Exercise 4.2|6 Videos
TRIGNOMETRIC RATIOS IDENTITIES AND TRIGNOMETRIC EQUATIONS
CENGAGE|Exercise Question Bank|34 Videos
TRIGONOMETRIC FUNCTIONS
CENGAGE|Exercise SINGLE CORRECT ANSWER TYPE|38 Videos
Similar Questions
Explore conceptually related problems
Solve: sinx+cosx=(sqrt3+1)/4
intdx/(sqrt (3)cosx+sinx)
sqrt(3)cosx+sinx=1
Solve: sinx-cosx=-sqrt2
Solve sinx +cosx=sqrt2 .
y=(sinx)^(cosx)+(cosx)^(sinx)
Solve the following inequations (i) (sinx-2)(2sinx-1) lt 0 (ii) (2cosx-1)(cosx) le 0 (iii) sinx+sqrt(3)cosx ge 1 (iv) cos^(2)x+sinx le 2 (v) tan^(2)x gt 3