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Grade 11Trigonometry

proove that {cot^a(secA-1)}/1+sinA = sec^2A pls help me solve this problem and thak you

Profile image of Gaurang Kotasthane
10 Years agoGrade 11
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3 Answers

Profile image of Ajay
ApprovedApproved Tutor Answer10 Years ago
I hope you want to prove follwing identity. If yes then this not correct question as this can be never be true . For example put A = 45, LHS and RHS are not equal.
\frac { { Cot }^{ 2 }A.(secA-1) }{ 1+SinA } ={ sec }^{ 2 }2A
 
 
Profile image of Gaurang Kotasthane
10 Years ago
Yes ajay sir I didnt type it correct so it was amistke please help in soving this one and thankyou very much 
Profile image of Ajay
10 Years ago
Hi Gaurang
the question still does not seem to be correct.
Can you post the screenshot of question  attachment