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    • Posted by Rahul Kumar 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Rekha Patil 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Sambhav Jain 3 years, 11 months ago

    Cos(x+x) = cosxcosx-sinxsinx Cos2x = cos^2 x - sin^2 x = 2cos^2 x - 1 =1 - 2sin^2 x We know that sin(x+y) = sinxcosy+cosxsiny => sin(x+x) = sinxcosx+cosxsinx => sin2x = 2sinxcosx

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    ANSWER

    • Posted by Navjot Dhaliwal 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Rahul Yadav 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shivam Sharma 3 years, 11 months ago

    dx/dt Y = dx/dt tanx Sec^2x

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    • Posted by Dharmendra Singh 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Bhavesh Kumawat 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Rehmeen Khatoon 3 years, 11 months ago

    Infinite set

    1Thank You

    ANSWER

    • Posted by Ashish Kg 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Avinash Kumar 3 years, 11 months ago

    Which word

    1Thank You

    ANSWER

    • Posted by Kareena Kathayat 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Kalki Kalki 3 years, 11 months ago

    First we calculate B-C and then subtract from universal set (U) the answer is come

    1Thank You

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    • Posted by Rubi Saini 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Rehmeen Khatoon 3 years, 11 months ago

    tan 60 °=√3

    1Thank You

    Anurag Singh 3 years, 11 months ago

    X=60°

    0Thank You

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    • Posted by Attitude Queen 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Sneha Singh 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Kashi Sh Shakya Kashish Shakya 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 5 answers

    Rehmeen Khatoon 3 years, 11 months ago

    Yes , because examiners mostly choose the question from this exercise for the exam question paper.

    0Thank You

    Tanya Bhati 3 years, 11 months ago

    Yes u should try as it will make you strong in chapters

    1Thank You

    Vineeta . 3 years, 11 months ago

    Ys of some chapters only but

    1Thank You

    Kushagra Pandey 3 years, 11 months ago

    You should only do mai exercise if you are attempting examination

    2Thank You

    Seraj ??? 3 years, 11 months ago

    Yes

    2Thank You

    ANSWER

    • Posted by Akansha Rastogi 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Pankaj Singh 3 years, 11 months ago

    (x-2)(x^2-1) Solution by u.v method (x-2)(x square+1) u'v+uv' (x-2)'(x^2+1)+(x-2)(x^2+1)' (1+0)(x^2+1)+(x-2)(2x+0) x^2+2(x-2)x+1 3x^2-4x+1

    0Thank You

    Pankaj Singh 3 years, 11 months ago

    First derivative

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    • Posted by Ats Gaming 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Jagdish 3 years, 11 months ago

    Derivative of 2x³ - 3x - 5 is 6x² -3 so at 'x=-5' its derivatives l will be 6(-5)² - 3 = 150-3 = 147

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    • Posted by Swastika Pani 3 years, 11 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Sakshi Aggarwal 3 years, 11 months ago

    By first principal F(x) h=0 =tan(x+h)-tan(x)upon h {tanA+B=1+tanAtanB upon tanA-tanB} =1+tanxtanh-tanx upontanx-tanh. h =

    0Thank You

    Raunak Chauhan 3 years, 11 months ago

    Sec²x

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    • Posted by Akansha Rastogi 4 years ago

    CBSE > Class 11 > Mathematics
    • 3 answers

    Anurag Singh 3 years, 11 months ago

    CLGQKBC

    1Thank You

    Sneha Goel 3 years, 11 months ago

    CLGQKBC" The pattern followed is - I - skip one letter then the next one is used(K) N - the previous letter is used(M) D -skip one letter then the next one is used(F) I -the previous letter is used(H) A -skip one letter then the next one is used(C) Hope it helps you...

    4Thank You

    Tanisha Chawla 4 years ago

    Hello I think the answer would be - "CLGQKBC" The pattern followed is - I - skip one letter then the next one is used(K) N - the previous letter is used(M) D -skip one letter then the next one is used(F) I -the previous letter is used(H) A -skip one letter then the next one is used(C)

    2Thank You

    ANSWER

    • Posted by Sujitha Venkatesan 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ankush Raj Pathak 4 years ago

    Ans

    1Thank You

    ANSWER

    • Posted by Amogh Srivastav 4 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ritik Kumar 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Neev Garg 4 years ago

    Cosx

    4Thank You

    ANSWER

    • Posted by Ranger King 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shailendra Dhukia 3 years, 11 months ago

    d/dx(sinx)=cosx d/dx(cosx)=-sinx d/dx(tanx)= sec••x ••= square

    0Thank You

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    • Posted by Lucky Sharma 4 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Neelesh Shukla 4 years ago

    This answer is wrong

    0Thank You

    Lucky Sharma 4 years ago

    Tan60°

    3Thank You

    ANSWER

    • Posted by Shanu Shanu 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shailendra Dhukia 3 years, 11 months ago

    d/dx(secx )= secx.tanx

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    ANSWER

    • Posted by Archi Mittal 4 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Lavish Chauhan 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Mahima Pattanayak 4 years ago

    Answer: 5 degree 37 minute 30 second=0.098 Radians.

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    • Posted by Lavish Chauhan 4 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Rajesh Singh 4 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Abhishek Gupta 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Jagdish 3 years, 11 months ago

    Add 20/7 to 3 to get first number then add it again to obtain next number Common difference = (last term - first term)/no. of numbers to be inserted +1 = (23-3)/6+1 = 20/7

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    • Posted by Kashi Sh Shakya Kashish Shakya 4 years ago

    CBSE > Class 11 > Mathematics
    • 3 answers

    Nishant Dhakare 4 years ago

    Yes not for exams also for you intelligence improvement , in miscellaneous exercises question level os very suprb

    2Thank You

    Vivek Pandey 4 years ago

    Yes v imp

    1Thank You

    Sameer Tanwar 4 years ago

    Yes miscellaneous example and exercise both are important as it covers nice questions which improves your understanding the topic

    3Thank You

    ANSWER

    • Posted by Ram Panda 4 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Adarsh Mund 4 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Sameer Tanwar 4 years ago

    We know that i) sin 2A = 2sinAcosA ii) sin(90-A)= cosA iii) sin30=1/2 LHS = sin 10 sin30 sin50sin 70 =sin 10 × 1/2 × sin (90-40)× sin(90-20) =1/2[sin 10 ×cos 40×cos 20] We multiply with[2 cos 10/2cos 10] =(1/2×1/2cos10)[2sin10cos10×cos20×cos40] =(1/4cos10)[sin20cos20×cos40] =(1/8cos10)[2sin20cos20×cos40] =(1/8cos10)[sin40cos40] =(1/16cos10)[2sin40co40] =(1/16cos10)×sin80 =(1/16cos10)×sin(90-10) =(1/16cos10)×cos10 =1/16 = RHS

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