The value of cos theta is 2/√29
<h3>Trigonometry identity</h3>
A trigonometry identity are expressions expressed as cosine, tangent, sine.
Given the following trigonometry identity
cot theta = 2/5
1/tan theta = 2/5
tan theta = 5/2
Determine the hypotenuse
hyp² =5^2 + 2^2
hyp² = 25 + 4
hyp = √29
Determine the value of cos theta
cos theta= adj/hyp
cos theta= 2/√29
Hence the value of cos theta is 2/√29
Learn more on trigonometry identity here: brainly.com/question/7331447
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You do like terms 4 3/12 - 3 6/12 = 3/4.
Answer: r = 3/4.
Answer:
a) Opposite sides are congruent and all interior angles are right angles, hence the quadrilateral <u>is</u> a rectangle
b) Opposite sides are parallel and all sides are congruent, hence the quadrilateral <u>is</u> a rhombus
c) All sides are congruent and all interior angles are right angles, hence the quadrilateral <u>is</u> a square
d) m∠AEB = 90° as the diagonals are perpendicular to each other
e) m∠EAD = 90°/2 = 45° as the diagonals of a square are bisectors of the angles at the vertices
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