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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":398},"Hmc8g4hokZ8SsX0DxbIpJ0nW3lzc5O","q","If tan y = 0.404, where y is acute, find cos 2y","ans",[414],1,"2006","course","mathematics","exp","tan y = 0.404; y = tan^-1 0.0404(tables);y = 22^o
\n
\ncos 2y = cos 2(22^o); cos 44^o
\n
\n= 0.719","opts",[422,423,424,425],"0.035","0.719","0.808","0.927","10","initComment","initReply","actionData","errors"]

WAEC - Mathematics (2006 - No. 10)

Explanation

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