Home
Class 12
MATHS
Solve cos^2(4x) - cos^2(2x)...

Solve `cos^2(4x) - cos^2(2x)`

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise PROPERTIES AND SOLUTIONS OF TRIANGLES EXERCISE 7 : SUBJECTIVE TYPE QUESTIONS|18 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise PROPERTIES AND SOLUTIONS OF TRIANGLES EXERCISE 6 : SINGLE INTEGER ANSWER TYPE QUESTIONS|1 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

  • SEQUENCES AND SERIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|38 Videos

Similar Questions

Explore conceptually related problems

Prove that cos4x = 2cos^2(2x) - 1

Solve sin^(-1) x - cos^(-1) x = cos ^(-1)(sqrt3/2) .

Solve: 2 (cos x + cos 2x) + sin 2x (1 + 2 cos (x))=2 sinx,-pi le x le pi .

If y=(sin^(4)x-cos^(4)x+sin^(2) x cos^(2)x)/(sin^(4) x+ cos^(4)x + sin^(2) x cos^(2)x), x in (0, pi/2) , then

If sin x + sin^(2) x= 1 , then the value of cos^(8) x - cos ^(4) x + 2cos^(2)x -1 is equal to :

Solve sin^4(x/3)+cos^4(x/3)>1/2

Solve : sin^(2)x+3cos^(2)x=9

Prove the following: cos^2 2x - cos^2 6x = sin 4x sin 8x

Solve sin 3x + cos 2 x =-2

Solve : sin^(10)x+cos^(10)x=29/16cos^4 2x

ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Subjective Type Questions)
  1. In an obtuse angled triangle, the obtuse angle is (3pi)/4 and the othe...

    Text Solution

    |

  2. If in trianlge ABC, a,b,c and angle A are given and c sin A lt a lt c,...

    Text Solution

    |

  3. If P is a point on the altitude AD of the triangle ABC such the /C B P...

    Text Solution

    |

  4. If R denotes circumradius, then in DeltaABC,(b^2-c^2)/(2aR) is equal t...

    Text Solution

    |

  5. In DeltaABC, A = (2pi)/(3), b -c = 3 sqrt3 cm and " area of " Delta AB...

    Text Solution

    |

  6. If Delta = a^(2)-(b-c)^(2), Delta is the area of the Delta ABC then ta...

    Text Solution

    |

  7. In a DeltaABC, B=90^(@), AC=h and the length of perpendicular from B t...

    Text Solution

    |

  8. If in a Delta ABC, sin ^(3) A + sin ^(3) B+ sin ^(3) C =3 sin A .Sin...

    Text Solution

    |

  9. In a triangle ABC, if the sides a,b,c, are roots of x^3-11 x^2+38 x-40...

    Text Solution

    |

  10. If the sides a,b,c are in A.P., prove that (tan)A/2+ (tan) c/2=2/3( co...

    Text Solution

    |

  11. The sides of a triangle are in A.P. and its area is (3)/(5) th of an e...

    Text Solution

    |

  12. If AD, BE and CF are the medians of a Delta ABC, then evaluate (AD^(2)...

    Text Solution

    |

  13. Let AD be a median of the Delta ABC. If AE and AF are medians of the ...

    Text Solution

    |

  14. Find the radian measure corresponding to following degree measure 3...

    Text Solution

    |

  15. DeltaABC is equilateral triangle of side a. P lies on AB such that A i...

    Text Solution

    |

  16. The base of a triangle is divided into three equal parts. If theta(1)...

    Text Solution

    |

  17. Find the value of sin ((31pi)/3)

    Text Solution

    |

  18. If the angle at the vertex of an isosceles triangle having the maximum...

    Text Solution

    |

  19. Find the value of trigonometric function sin((5pi)/3)

    Text Solution

    |

  20. Solve cos^2(4x) - cos^2(2x)

    Text Solution

    |