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if you have an isosceles triangle, one angle of 140 degrees what are the other two?

180-140=40 40/2 =20 each other angle is 20 degrees
DH
Answered by David H. • Maths tutor
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differentiate 4x^3 + 3x

12x^2 +3
DH
Answered by David H. • Maths tutor
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Find the first 4 term of the binomial expansion (2-4x)^5

Step 1: Look at formula in formula booklet provided and write out formula. Formula: (a+b) n = a n + n c 1 a n-1 b + n C 2 a n-1 b 2 +...+ n C r a n-r b r In this question our a=2 our b=-4x and our n=5 Theref...
CR
Answered by Charlie R. • Maths tutor
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find the exact solution to the following equation: ln(x) + ln(3) = ln(6)

My first step would be to put all the known values on one side: ln(x) = ln(6) - ln(3) Then, using log laws, we have: ln(x) = ln(6/3) so, ln(x) = ln(2) so, x = 2
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Answered by Rhianna C. • Maths tutor
9725 Views

Show that cosec(2x) + cot(2x) = cot(x)

cosec(2x) + cot(2x) CONVERT ALL COSEC/COT/SEC FUNCTIONS INTO FUNCTIONS USING SIN/TAN/COS = 1 / (sin2x) + cos(2x) / sin(2x) COMBINE THE TWO FRACTIONS INTO ONE = [1+cos(2x)] / [sin(2x)] USE COS AND SIN DOUBLE ...
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Answered by Divya K. • Maths tutor
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