The value of 9 cot20 – 9 cosect20 is ...
A) 2
B) 4
C) 8D) 6
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Question 12: What is the value of 9 cot 2 θ − 9 cosec 2 θ?
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Answer
To find: the value of 9 cot² θ – 9 cosec² θ
Factoring out 9 from the expression, we get
= – 9 (using )
Therefore, the obtained value of the expression 9 cot² θ – 9 cosec² θ is – 9.
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