Home
Class 9
MATHS
Solve for x : cos(x/2+10^(@))=sqrt(3)/...

Solve for x :
`cos(x/2+10^(@))=sqrt(3)/2`

Text Solution

Verified by Experts

The correct Answer is:
`40^(@)`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL RATIOS OF STANDARD ANGLES

    ICSE|Exercise EXERCISE 23(B)|34 Videos

  • TRIGONOMETRICAL RATIOS

    ICSE|Exercise EXERCISE 22(B)|50 Videos

  • TRIGONOMETRY

    ICSE|Exercise TOPIC -4 ( COMPLEMENTARY ANGLES ) (4 MARKS QUESTIONS )|4 Videos

Similar Questions

Explore conceptually related problems

Solve for x : (i) cos((x)/(2) + 10^(@)) = (sqrt(3))/(2) (ii) sin^(2) 60^(@) + cos^(2)(3x - 9^(@)) = 1

Solve for x, if : tan (cos^(-1)x)=(2)/(sqrt(5))

Solve for x : sqrt3x^(2)+14x-5sqrt3=0

Solve sin x + sqrt(3) cos x = sqrt(2)

Solve for x: log_(sqrt3) (x+1) = 2

Solve sin 3x + cos 2 x =-2

Solve the equation : sin (x-y) = sqrt(3)/2 and cos (x+y) = 1/2

Solve : (i) sqrt((x)/(x-3))+sqrt((x-3)/(x))=(5)/(2) (ii) ((2x-3)/(x-1))-4((x-1)/(2x-3))=3

Solve for x : (x-1)/(x+2)+(x-3)/(x-4)=(10)/3,\ \ x!=-2,\ 4

Solve for x sqrt3x^2-2sqrt(2)x-2sqrt3=0

ICSE-TRIGONOMETRICAL RATIOS OF STANDARD ANGLES-EXERCISE 23(C)
  1. Solve for x : tan^(2)(x-5^(@))=3

    Text Solution

    |

  2. Solve for x : 3tan^(2)(2x-20^(@))=1

    Text Solution

    |

  3. Solve for x : cos(x/2+10^(@))=sqrt(3)/2

    Text Solution

    |

  4. Solve for x : sin^(2)x+sin^(2)30^(@)=1

    Text Solution

    |

  5. Solve for x : cos^(2)30^(@)+cos^(2)x=1

    Text Solution

    |

  6. Solve for x : cos^(2)30^(@)+sin^(2)2x=1

    Text Solution

    |

  7. Solve for x : sin^(2)60^(@)+cos^(2)(3x-9^(@))=1

    Text Solution

    |

  8. If 4cos^(2)x=3 and x is an acute angle, find the value of : x

    Text Solution

    |

  9. If 4cos^(2)x=3 and x is an acute angle, find the value of : cos^(2)x...

    Text Solution

    |

  10. If 4cos^(2)x=3 and x is an acute angle, find the value of : cos3x

    Text Solution

    |

  11. If 4cos^(2)x=3 and x is an acute angle, find the value of : sin2x

    Text Solution

    |

  12. In DeltaABC, angleB=90^@), AB=y" units", BC=sqrt(3) " units", AC = 2 u...

    Text Solution

    |

  13. In DeltaABC, angleB=90^@), AB=y" units", BC=sqrt(3) " units", AC = 2 u...

    Text Solution

    |

  14. In DeltaABC, angleB=90^@), AB=y" units", BC=sqrt(3) " units", AC = 2 u...

    Text Solution

    |

  15. In DeltaABC, angleB=90^@), AB=y" units", BC=sqrt(3) " units", AC = 2 u...

    Text Solution

    |

  16. If 2cos(A+B)=2sin(A-B)=1, find the values of A and B.

    Text Solution

    |

  17. Solve the following equations for A, if : 2sinA=1

    Text Solution

    |

  18. Solve the following equations for A, if : 2cos2A=1

    Text Solution

    |

  19. Solve the following equations for A, if : sin3A=sqrt(3)/2

    Text Solution

    |

  20. Solve the following equations for A, if : sec2A=2

    Text Solution

    |