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Solution: What is Sin(B–A) equal to, when B=270 degrees and A is an acute angle

(Last Updated On: March 5, 2019)

Sin (B – A) is equal to _______, when B = 270 degrees and A is an acute angle.

Problem Statement: ECE Board April 1999

Sin(B – A) is equal to _______, when B = 270 degrees and A is an acute angle.

  • A. – cos A
  • B. cos A
  • C. – sin A
  • D. sin A

Problem Answer:

Sin (B – A) is equal to -cos A.

Solution:

Solution: What is Sin(B–A) equal to, when B=270 degrees and A is an acute angle

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Solution: What is Sin(B–A) equal to, when B=270 degrees and A is an acute angle
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