If tan a = √3 + 2, then the value of tan a - cot a is
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Gandhiji's first Satyagraha in India was held at __________
The tree species most commonly used in social forestry is
___________ is obtained by evaporation of sea.
Which out of the following is not a launch vehicle of India for placing satellites in the orbit?
In a food chain, what is the difference between primary consumers and secondary consumers?
Black soil is also known by which of the following name ?
With which country India has signed an agreement in September 2017 for co-operation in health sector?