What is a good rule to find angles in a right angled triangle?
In any right angled triangle, for any angle:The sine of the angle = the length of the opposite side the length of the hypotenuseThe cosine of the angle = the length of the adjacent side the length of the hypotenuseThe tangent of the angle = the length of the opposite side the length of the adjacent sideSo in shorthand notation:sin = o/h cos = a/h tan = o/aOften remembered by: soh cah toa
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Related Maths GCSE answers
All answers ▸How do I solve simultaneous equations given a linear and a quadratic equation?
Solve the Simultaneous equation: 4x+y=25, x-3y=13
Amber has an unfair coin. The probability of throwing a tail is p. Amber throws the coin twice and the probability of throwing a head and then a tail is 6/25. Heads are more likely than tails. Show that 25p^2-25p+6=0 and find the value of p.
Expand and simplify (3 + √ 2)(5 – √ 2)