2011
Mathematics
67ca00ce0c643c71d77dee1f
In a right angled triangle, if tan θ = 3/4. What is cosθ - sinθ?
A.
2/3
B.
3/5
C.
1/5
D.
4/5
Correct Answer: 1/5
Explanation
tanθ = 3/4 from Pythagoras tippet, the hypotenus is T i.e. 3, 4, 5. then sin θ = 3/5 and cosθ = 4/5 cosθ - sinθ 4/5 - 3/5 = 1/5
tanθ = 3/4 from Pythagoras tippet, the hypotenus is T i.e. 3, 4, 5. then sin θ = 3/5 and cosθ = 4/5 cosθ - sinθ 4/5 - 3/5 = 1/5THIS WEEK's
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