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Find sin 150°
  • a)
    -1/2
  • b)
    1/2
  • c)
    √3/2
  • d)
    -√3/2
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Find sin 150°a)-1/2b)1/2c)√3/2d)-√3/2Correct answer i...
As we know that : sin(180o−x) = sin(x)
Plug in x = 30 to get
sin(180o−30°) = sin(30°)
 ⇒ 1/2
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Community Answer
Find sin 150°a)-1/2b)1/2c)√3/2d)-√3/2Correct answer i...
Let pie be the symbol '¥' (for temporary ) sin 150 = sin 5¥/6 = sin 5¥/6= sin (¥- (¥/6)) =note that ¥- ¥/6 lies in 2nd quadrant where sine function is positive therefore,sin 150 = sin ¥/6 =1/2 correct option is B
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Find sin 150°a)-1/2b)1/2c)√3/2d)-√3/2Correct answer is option 'B'. Can you explain this answer?
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