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virdi rayya

· started a discussion

· 1 Months ago

Use cosec^® - sec^®= 1 (Question:274692.0)

By using this identity it will be easy.

Question:

  

Options:
A)

tan B

B)

tan  B2   

C)

2 tan B

D)

4 tan B

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

By not even applying the identities, just simplifying the equation in terms of sin and cos,
the answer is coming out to be tanB
Regards
Team TR

Knowledge Expert

· commented

· 1 Months ago

Dear Student
You can solve this question in whichever way you like
Substituting values for angles is also an easy method
Regards'
Team TR

virdi rayya

· commented

· 1 Months ago

Sorry cot^® in place of sec
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