Question

( sec^2 10° - cot^2 80° ) is equal to :​

Answer 1

Carbon dioxide is an acidic colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace 

Answer 2

Answer:

sec 10 = cosec ( 90 - 10) = cosec 80. Therefore, The required answer is1