If 1/sin +1/tan =9,then find the value of cot -cosec? with explanation
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Step-by-step explanation:
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Step-by-step explanation:
Given:
To find:
Solution:
As We know,
Hence, the required answer is - 1/9 .
Some important trigonometry Rules:
sinø . cosecø = 1
cosø . secø = 1
tanø . cotø = 1
sin²ø + cos²ø = 1
cosec²ø - cot² = 1
sec²ø - tan²ø = 1
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