Home
Class 10
MATHS
Find x if :- cos(10^@+x)=1/2 ....

Find x if :- `cos(10^@+x)=1/2` .

Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    MBD|Exercise EXERCISE|176 Videos

  • COORDINATE GEOMETRY

    MBD|Exercise EXERCISE|64 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    MBD|Exercise EXERCISE|183 Videos

Similar Questions

Explore conceptually related problems

Find x if cos^-1 x + sin^-1 (x/2) = pi/6

Find dy/dx when y = cos^-1 (2x) + 2 cos^-1 sqrt(1-4x^2)

Evaluate int(x^(2)+n(n-1))/((x sin x + n cos x)^(2))dx .

Evaluate the derivative of the following function at indicated points : (1-sin x)/(1+ cos x), x=pi/2 .

Find x in (2^(3x-1)+10)div7=6

Find maximum value of f(x)=|{:(1+sin^(2)x,cos^(2)x,4sin2x),(sin^(2)x,1+cos^(2)x,4sin2x),(sin^(2)x,cos^(2)x,1+4sin2x):}| .

Find the domain of the following function : f(x)= sqrt(cos(sinx))+ sin^(-1) ((1+x^2)/(2x)) .

Find the relation between x and y: log_(10)x+(1)/(2)log_(10)x+(1)/(4)log_(10)x+"...."=y "

Find the period of f(x)=cos^(-1)(cos x)

MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Find x , if 2cosec^2 30^@+xsin^2 60^@-3/4 tan^2 30^@ = 10 .

    Text Solution

    |

  2. Given that cos (A + B) = cos A cos B-sin A sin B. Find the value of co...

    Text Solution

    |

  3. Find x if :- cos(10^@+x)=1/2 .

    Text Solution

    |

  4. Find x if :- tan(40^@+x)=sqrt3 .

    Text Solution

    |

  5. Find x if :- sin(20^@+x)=cos60^@ .

    Text Solution

    |

  6. Find x if :- if cos (40+x)=sin30^@. Find the value of x.

    Text Solution

    |

  7. Show that :- 2[cos^4 60^@+sin^4 30^@]-[tan^2 60^@+cot^2 45^@]+3sec^2 ...

    Text Solution

    |

  8. Show that :- 2[cos^2 45^@+tan^2 60^@]-6[sin^2 45^@-tan^2 30^@]=6 .

    Text Solution

    |

  9. Find the value theta in the following :- 2sin2theta=sqrt3 .

    Text Solution

    |

  10. Find the value theta in the following :- 2cos3theta=1 .

    Text Solution

    |

  11. Find the value theta in the following :- sqrt3 tan2theta-3=0 .

    Text Solution

    |

  12. Find the value theta in the following :- tan3theta=sin45^@ cos45^@+sin...

    Text Solution

    |

  13. Find the value theta in the following :- costheta=cos60^@ cos30^@ +sin...

    Text Solution

    |

  14. Find the value theta in the following :- sin2theta=sin60^@cos30^@-cos...

    Text Solution

    |

  15. Ifsin(A-B)= sin A cosB-cos A sin B and cos(A-B) = cosA cosB + sin A si...

    Text Solution

    |

  16. Express cot 85^@ + cos 75^@ in terms of trigonometric ratios of angles...

    Text Solution

    |

  17. Without using Trigonometric tables, evaluate:- 2(sin43^@)/(cos47^@)-(c...

    Text Solution

    |

  18. Without using Trigonometric tables, evaluate:- (cos^2 20^@+cos^2 70^@)...

    Text Solution

    |

  19. Without using Trigonometric tables, evaluate:- 2(cos67^@)/(sin23^@)-(t...

    Text Solution

    |

  20. Evaluate : (sin70^@)/(cos 20^@)+(cosec36^@)/(sec54^@)-(2cos43^@cosec47...

    Text Solution

    |