x = r sin A cos B, y = r sin A sin B z = r cos A Now, x² + y² + z² = (r sin A cos B) ² + (r sin A sin B) ² + (r cos A)2 = r2 sin2 A (cos² B + sin² B) + r2 cos² A = r² sin² A + r2 cos² A = r² (sin² A + cos² A) = r2
Mycorrhiza is a symbiotic association between :
Which of the following cannot be corrected with spectacles?
Which one of the following oxides reacts with both acid and base?
Organisms have been divided into how many kingdoms?
Which of the following is not an abiotic component of our surrounding?
Non-vascular plants do not contain:
Which of the following mixture is burnt to produce very high temperatures and are used for cutting metals and for
welding?
Which among the following nutrients is essential for the normal functioning of the thyroid gland?
1 mole of carbon atoms = ______ g of carbon atoms
A day is considered a rainy day when it receives a rainfall of:
