India is the second most populated country in the world. In 2018 India's population was recorded to be 135.26 crores. If the population in 2019 is 136.64 crores. What is the increased population
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Step-by-step explanation:
LHS
[cosA/(1-sinA)] + [cosA/(1+sinA)
Taking LCM
[cosA(1+sinA) + cosA(1-sinA)]/[(1-sinA)(1+sinA)]
=(cosA+cotA + cosA - cotA)/(1-sin²A)
=2cosA/cos²A
=2/cosA
=2secA
RHS
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