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    • Posted by Badal Chaudhary 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Krishna Kumar Singh 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 5 answers

    Ashtrix Official 7 years, 4 months ago

    Nope buddy... Sin²+cos² =1

    0Thank You

    Rohin Jaswal 7 years, 4 months ago

    1

    0Thank You

    Soni Kumari 7 years, 4 months ago

    1

    0Thank You

    Badal Chaudhary 7 years, 4 months ago

    Sin+cos=1

    0Thank You

    Naved Khan 7 years, 4 months ago

    Sin+cos=1

    1Thank You

    ANSWER

    • Posted by Xyz Abc 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 4 answers

    Rohin Jaswal 7 years, 4 months ago

    No {1,2,{3}} is not a sub set of {1,2,{3,4},5}

    0Thank You

    Soni Kumari 7 years, 4 months ago

    No

    0Thank You

    Naved Khan 7 years, 4 months ago

    No

    1Thank You

    Dharmendra Kumar 7 years, 4 months ago

    No, {1,2,{3}} is not a subset of {1,2,{3,4},5}.

    1Thank You

    ANSWER

    • Posted by Ayush Pathak 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Naved Khan 7 years, 4 months ago

    Sin 150=sin(45+60) Sin (a+b)=sin a cos b+cos a sin b =sin45×cos60+cos45×sin60 =(1/root2×1/2)+(1/root2×root3/2) =1/2root2+root3/2root2 =1+root3/2root2

    2Thank You

    Xyz Abc 7 years, 4 months ago

    Write 105° as (45+60)° and then use the formula sin(a+b) and cos(a+b)

    0Thank You

    ANSWER

    • Posted by Ayush Pathak 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Bobby Kushwaha 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 4 answers

    Rohin Jaswal 7 years, 4 months ago

    22

    0Thank You

    Soni Kumari 7 years, 4 months ago

    It's 22

    0Thank You

    Naved Khan 7 years, 4 months ago

    22

    1Thank You

    Abhishek Kaushik 7 years, 4 months ago

    22

    1Thank You

    ANSWER

    • Posted by Vivek Kumar 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 3 answers

    Soni Kumari 7 years, 4 months ago

    If we doing this song - and - cancel and 2 into 2 is equal to 4

    0Thank You

    Naved Khan 7 years, 4 months ago

    - 2 x -2 is equal to 4 because while doing subtraction minus and minus cancel each other and two multiply two is four and hence -2 multiply -2 is equal to 4

    0Thank You

    Ashish Arya 7 years, 4 months ago

    -2*-2= -4

    1Thank You

    ANSWER

    • Posted by Deepak Shukla 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 6 answers

    Naved Khan 7 years, 4 months ago

    Cosec 90 = 1

    0Thank You

    Ashish Kumar Singh 7 years, 4 months ago

    Cosec90 =1/sin90 So 1/1=1

    1Thank You

    Lav Kush Dixit 7 years, 4 months ago

    Sorry,i thought that cos90 but its cosec 90 so,its answer is 1

    0Thank You

    Lav Kush Dixit 7 years, 4 months ago

    Not defined /0

    0Thank You

    Soni Kumari 7 years, 4 months ago

    1

    1Thank You

    Arpit Kushwaha 7 years, 4 months ago

    0

    0Thank You

    ANSWER

    • Posted by Subh Agrawal 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Devil Pandit ? 7 years, 4 months ago

    Firstly fix s in starting and s in the end i.e. s,_,_,_,_,s. So no. Of ways are 4! Then s can also change its position by 2! ways. So no. of ways are 4!/2! .

    1Thank You

    ANSWER

    • Posted by Sudhanshu Singh 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ankit Gupta 7 years, 4 months ago

    Teri NCERT book m h

    0Thank You

    ANSWER

    • Posted by Vivek Anand 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Naved Khan 7 years, 4 months ago

    In first quadrant all the trigonometric values are positive because in first quadrant square of hypotenuse is always positive

    1Thank You

    Soni Kumari 7 years, 4 months ago

    Because it increases from 0 to 1

    1Thank You

    ANSWER

    • Posted by Nancy Rajput 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Maya Mp 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Naved Khan 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Harman Singh 7 years, 4 months ago

    (5-12!)²=25-12=13

    0Thank You

    ANSWER

    • Posted by Madhav Kohli 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ashish Kumar Singh 5 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Sumistha Sadhukhan 4 years, 6 months ago

    I want to know

    0Thank You

    ANSWER

    • Posted by Laukik Trivedi 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Naved Khan 7 years, 4 months ago

    9/5×pie/180=11/350 =0.0314286

    0Thank You

    ANSWER

    • Posted by Ramanuj Dubey 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ayush Pathak 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ashish Kumar Singh 7 years, 4 months ago

    We know that sinx+siny=2sinx+y/2•2cosx-y/2 and cosx+cosy=2cosx+y/2cosx-y/2 Taking 7x and 5x together and 3xand 9x 2sin6x.cosx+2sin6xcos3x/2cos6xcosx+2cos6xcos3x 2sin6x(cosx+3x)/2cos6x(cosx+cos3x) Cancelling cosx+3x Sin6x/cosx= tanx

    6Thank You

    ANSWER

    • Posted by Paridhi Solanki 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Lav Kush Dixit 7 years, 4 months ago

    [(1+i)^2]^3+(1-i)^3 (i^2=-1)(i^3=-i) [(1^2+i^2+2i)]^3+(1-i^3-3i+3i^2) [(1-1+2i)]^3+(1-i-3i-3) (2i)^3+(-2-4i) -8i-2-4i=( -12i-2) -2(6i+1) =6i+1

    2Thank You

    ANSWER

    • Posted by Sharbani Mitra 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Yogesh Sharma 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Arti Pandey 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Soni Kumari 7 years, 4 months ago

    8

    0Thank You

    ANSWER

    • Posted by Amrinder Kahlon 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Amrinder Kahlon 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ayush Verma 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Alisha Saifi 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ryan Khan 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Saket Jain 7 years, 4 months ago

    25x

    0Thank You

    Ryan Khan 7 years, 4 months ago

    (2×+3)(2×_3)

    0Thank You

    ANSWER

    • Posted by Ujjwal Kumar 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Sandeep Kumar 7 years, 4 months ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

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