Challenging Trigonometry Question (ACS(I) Sec 3) Solution: (a) Using the formula, Cross-multiply, (b) The trick here is to break up into Range: Since is acute (1st quadrant), is positive. Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketEmailPrintLike this:Like Loading... Related Author: mathtuition88 https://mathtuition88.com/ View all posts by mathtuition88