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Grade 11Trigonometry

1+cosa+cosb+cos(a+b)/1+cosa-cosb-cos(a+b) =tana/2cota/2

Profile image of Qwerty
9 Years agoGrade 11
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1 Answer

Profile image of Vijay Mukati
9 Years ago
Please write the complete question clearly.

Thanks, Vijay Mukati

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