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if tan theta=m ² +2mn divided by 2mn+2n ² then prove that sin theta=m ² +2mn divided by m ² +2mn+2n ²
Given z1 = 3(cos 14° + i sin 14°) and z2 = 2(cos 121° + i sin 121°), find the product z1.z2
(sec(x)+1)/tan(x)^2= 1/(sec(x)-1) identify identity
the points a, b and c lie on the circle, centre o
bc is a straight line.
if ab = 4.5 cm and ac =7.3 cm find
bac
sin^2 x cos^2 x - cos^2 x
Factor and simplify
Sin4x-cos4x
a staircase has three main parts; the stringer, the riser, and the tread. a carpenter must obey local building codes when she constructs a staircase. the code of one community requires that the sum of the rider and tread must not exceed 449mm. calculate the angle of the staircase whose riser is 175mm. assume the ,easures are at the maximum allowed by the code
Find sin θ if cos θ =2/3 and θ is in quadrant 4
how do I graph y=2tan2x
Write the complex number in the form of a+bi? 5/2(cos150degrees+i sin150degrees)
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