(i) cosec2 x = 2 cot x
Answers
Answered by
13
Step-by-step explanation:
cosec²x = 2 cot x
=> 1 + cot²x = 2 cot x
=> cot²x - 2cot x + 1 = 0
=> (cot x - 1)² = 0
=> cot x - 1 = 0
=> cot x = 1 = cot (π/4)
=> x = nπ + π/4, where
n = 0 or any integer (positive or negative, odd or even)
Similar questions