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uma sankar tammana

· started a discussion

· 1 Months ago

wrong answer (Question: 285198.0 )

It should be none of this... As we are getting value =1 clearly.

Question:

What is the sinA cosA tan A + cos A sin A cot A equal to?

Options:
A)

sin2A –  cos2A

B)

sin2A + tan2A

C)

cosec2A – cot2A

D)

None of these

Solution:

Ans: (c)

  

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