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    CBSE XI Science - Maths
    Prove that cos^2 pi/8 + cos^2 3pi/8 + cos^2 5pi/8 + cos^2 7pi/8 =2  
    Asked by anushkapanwar74 | 15 August, 2019, Aug:%i:Thursday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    2 tan B + cot B = tan A , show that 2 tan(A-B) = cot B
    Asked by agarwalharsh8476 | 06 August, 2019, Aug:%i:Tuesday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    sinx1sinx2-cosx1cosx2+1=0 the value of tanx1/2*tanx2/2 is alwya equal to?  
    Asked by aahnik.mohanty | 29 May, 2019, May:%i:Wednesday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    For any real x find the minimum and maximum value for the expression 3sin^2x +3sinxcosx + 7cos^2x.
    Asked by acv27joy | 10 December, 2018, Dec:%i:Monday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    (sinø-cosø)^2=1-sin2ø
    Asked by abhaysharma2710 | 15 July, 2018, Jul:%i:Sunday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    JEE Plances JEE (Main) - Maths
    Prove that 
    question image
    Asked by Anish | 11 July, 2018, Jul:%i:Wednesday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    If sin ^2A=x then express the values of sin A . sin 2A . sin 3A . sin 4A in terms of x.
    Asked by tps.mjmdr | 16 June, 2018, Jun:%i:Saturday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    Evaluate : 16cos (2π/15) cos (4π/15) cos (8π/15) cos (16π/15)
    Asked by tps.mjmdr | 16 June, 2018, Jun:%i:Saturday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XI Science - Maths
    Evaluate : (1+cos π/8 ) (1+cos 3π/8 ) (1+cos 5π/8 ) (1+cos 7π/8 )
    Asked by tps.mjmdr | 16 June, 2018, Jun:%i:Saturday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    JEE Plances JEE (Main) - Maths
    Prove the following identity.
    question image
    Asked by Anish | 16 June, 2018, Jun:%i:Saturday
    ANSWERED BY EXPERT ANSWERED BY EXPERT

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