If cosec∅+sin∅cosec∅-sin∅=53 then the value of sin∅is equal to
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In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE
Which of the following was India's first interplanetary mission?
"Young Girls" is the famous work of which painter?
Anions are formed by _____.
What is the reaction between an acid and a base called?
The Chemical formula of Ammonium oxalate is _____.
What is dry ice?