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(Cos37°/sin 53°) -cos 47°. cosec 43°. [Sin 53° =cos 37°.] [Cosec43° = 1/sin43° and sin43° =cos 47°] Put the value – (sin 53°/sin 53°) -sin43°. 1/sin 43°. =1-1 =0.
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Bronze is an alloy of-
The most reactive among the halogens is-
The noble gas used in radiotherapy is
Which of the following is a physical change?
_________is the process in which acids and bases react to form salts and water.
Milk tastes sour when kept in the open for sometimes due to the formation of-
The noble gas used in radiotherapy is
