Question

Find the value of .-
cosec²12-cot²12​

Answer 1

Step-by-step explanation:

tan2(sec-12) = sec2(sec-12) - 1 cot2(cosec-13) = cosec2(cosec-13) - 1 Therefore, tan2(sec-12) + cot2(cosec-13) = sec2(sec-12) - 1 + cosec2(cosec-13) - 1 = [sec(sec-12)]2 + [cosec(cosec-13)]2 - 2 = (2)2 + (3)2 - 2 = 4 + 9 - 2 = 11Read more on Sarthaks.com - https://www.sarthaks.com/146843/the-value-of-tan2-sec-12-cot2-cosec-13-is