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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",18,"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":426},"NwdZetMLY0KnyTaOsNvLk7MWn1GUy4","q","If cos(x + 40)^o = 0.0872, what is the value of x?","ans",[414],3,"2012","course","mathematics","exp","cos(x + 40)^o = 0.0872
\n
\nx + 40 = cos^-10.0872
\n
\nx + 40^o = 84.99^o
\n
\nx = 84.99^o - 40^o
\n
\nx = 44.99
\n
\nx = 45^o","opts",[422,423,424,425],"85^o","75^o","65^o","45^o",17,"17","initComment","initReply","actionData","errors"]

WAEC - Mathematics (2012 - No. 17)

Explanation

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