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find-x-in-the-interval-0-lt-x-lt-360-if-f-x-6sinx-is-12-




Question Number 202143 by otchereabdullai@gmail.com last updated on 21/Dec/23
 find x in the interval  0°<x<360° if    f(x)= 6sinx is −12
findxintheinterval0°<x<360°iff(x)=6sinxis12
Commented by otchereabdullai@gmail.com last updated on 22/Dec/23
answer in the book is 210° and 330°   but i dont know how  he come about   it
answerinthebookis210°and330°butidontknowhowhecomeaboutit
Commented by AST last updated on 21/Dec/23
−6≤6sin(x)≤6
66sin(x)6
Commented by otchereabdullai@gmail.com last updated on 22/Dec/23
answer should be interms of angles  sir
answershouldbeintermsofanglessir
Commented by AST last updated on 22/Dec/23
6sin(x)≠−12 for any x
6sin(x)12foranyx
Commented by AST last updated on 22/Dec/23
That′s −3 not −12
Thats3not12

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