Grade 11Trigonometry
solve for x and y in the system of equations : sinxcos2y = 1 and cosxsin2y = 0
solve for x and y in the system of equations : sinxcos2y = 1 and cosxsin2y = 0
1 Answer
Y RAJYALAKSHMI
By Dividing the second equation by first equation, we have
cos x sin 2y / sin x cos 2y = 0/1
=> cot x tan 2y = 0
=> cotx = 0 => x = pi/2
or tan2y = 0 => y = 0
Solution : x = pi/2 & y = 0
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