Draw structure of 2ethyl 2methyl proponic acid
If tan a + sec a = 2, then find the values of sin a and cos a.
Tsuparna
Asked:
December 2022
A well of diameter 4m is dug 7m deep. The earth taken out is spread evenly all around the well to form circular ring of 40 cm high embankment. Find the width of embankment.
What is the weight of biomicromolecules and biomacromolecules?