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Maths-

If ABC is a triangle and tan space A over 2 comma tan space B over 2 comma tan space C over 2 are H.P then the minimum value of  cot space B over 2 is equal to

Maths-General

  1. -2
  2. 2
  3. square root of 3
  4. negative square root of 3

    Answer:The correct answer is: square root of 3

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    If theta equals pi over 2 to the power of n plus 1 end exponent then cos space theta cos space 2 theta cos space 2 squared theta horizontal ellipsis cos space 2 to the power of n minus 1 end exponent theta is equal to

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    The adjoining figure gives the road plan of lanes connecting two parallel roads AB and FJ Aman walking on the road AB takes a turn at random to reach the road FJ It is known that he reaches the road FJ from O by taking a straight line The chance that he moves on a straight line from the road AB to the road FJ is.

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    Sulphide mineral +CN to the power of minus rightwards arrow with straight O subscript 2 on top open square brackets M left parenthesis CN right parenthesis subscript 2 close square brackets to the power of minus 2 open square brackets M left parenthesis CN right parenthesis subscript 2 close square brackets to the power of minus plus Zn not stretchy rightwards arrow open square brackets Zn left parenthesis CN right parenthesis subscript 4 close square brackets to the power of 2 minus end exponent plus 2 M M

     can be

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    Formula of the following silicate anion is

    Charge
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    Seven O to the power of 2 minus end exponent minus 14
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    Formula of the following silicate anion is

    chemistry-General
    Charge
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    Seven O to the power of 2 minus end exponent minus 14
    S i subscript 2 end subscript O subscript 7 end subscript superscript 6 minus end superscript
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