If cosx/a=cos(x+y)/b=cos(x+2y)/c=cos(x+3y)/d. Then b+d/a+c=?
Udath , 8 Years ago
Grade 9
Trigonometry> If cosx/a=cos(x+y)/b=cos(x+2y)/c=cos(x+3y...
1 Answers
Nishant Vora
Last Activity: 8 Years ago
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