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Akash

· started a discussion

· 1 Months ago

.. (Question:257209.0)

Put theta=45°

Question:

Find the value of (sec  θ    – cosec  θ   )(1 + tan  θ    + cot  θ   ).

Options:
A)

tan  θ   . sec  θ    – cot  θ   . cosec  θ   

B)

cosec  θ   . sec  θ    – tan  θ   . cot  θ   

C)

cot  θ   . cosec  θ    – tan  θ   . sec  θ   

D)

None of the above

Solution:

Ans: (a)

  

Arun

· commented

· 1 Months ago

This will not work as both option A and option C can be the answer by this method.
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