Question
If cot x – tan x = 3/2, then what will be the value of
cot x + tan x?Solution
cot x – tan x = 3/2 ⇒ cot x – 1/cot x = 3/2 Using If x - 1/x = p, then x + 1/x = √(p2 + 4) ⇒ cot x + 1/cot x = √[(3/2)2 + 4] ⇒ cot x + 1/cot x = √(25/4) ⇒ cot x + 1/cot x = 5/2 ⇒ cot x + tan x = 5/2
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Predict the output
list1 = ['physics', 'chemistry', 1997, 2000]
list2 = [1, 2, 3, 4, 5, 6, 7 ]
print "list1[0]: ", list1[0] ...
Predict the output
list1 = ['physics', 'chemistry', 1997, 2000]
list2 = [1, 2, 3, 4, 5, 6, 7 ]
print "list1[0]: ", list1[0] ...
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