Home/ Gagan Bansal/Answers
  1. Asked: In:

    Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

    Gagan Bansal

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

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    • 1
  2. Asked: In:

    If A, B and C are interior angles of a triangle ABC, then show that Sin(B+C/2) = cos A/2.

    Gagan Bansal

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    See less
    • 1
  3. Asked: In:

    If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A.

    Gagan Bansal

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    See less
    • 1
  4. Asked: In:

    If tan A = cot B, prove that A + B = 90°.

    Gagan Bansal

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    See less
    • 1
  6. Asked: In:

    If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A.

    Gagan Bansal

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-8/

    See less
    • 1