OCR GCSE Maths || with Error-free Answers.
cos 0° correct answers 1
sin 0° correct answers 0
tan 0° correct answers 0
cos 30° correct answers √3/2
sin 30° correct answers 1/2
tan 30° correct answers √3/3
cos 45° correct answers √2/2
sin 45° correct answers √2/2
tan 45° correct answers 1
cos 60° correct answers 1/2
sin 60° correct answers √3/2
tan 60° correct answers √3
cos 90° correct answers 0
, sin 90° correct answers 1
tan 90° correct answers undefined
if a line containing the center of a circle is perpendicular to a chord correct answers then, it
bisects the chord
the perpendicular bisector of a chord contains correct answers the center of the circle
if a line is tangent to a circle correct answers then it is perpendicular to the radius at the point of
tangency
two tangent segments from the same exterior point are correct answers congruent and form
congruent angles with the line containing the exterior point and the center
size of the angle at the circumference is correct answers 1/2 of the central angle
an angle inscribed in a semicircle is correct answers a right angle
angles that intercept the same arc are correct answers congruent
if a quadrilateral is inscribed in a circle, then correct answers the opposite angles are
supplementary
the chord that is closer to the center is correct answers the longer chord
the length of the diameter is greater than correct answers the measure of any other chord (not a
diameter)
cos 0° correct answers 1
sin 0° correct answers 0
tan 0° correct answers 0
cos 30° correct answers √3/2
sin 30° correct answers 1/2
tan 30° correct answers √3/3
cos 45° correct answers √2/2
sin 45° correct answers √2/2
tan 45° correct answers 1
cos 60° correct answers 1/2
sin 60° correct answers √3/2
tan 60° correct answers √3
cos 90° correct answers 0
, sin 90° correct answers 1
tan 90° correct answers undefined
if a line containing the center of a circle is perpendicular to a chord correct answers then, it
bisects the chord
the perpendicular bisector of a chord contains correct answers the center of the circle
if a line is tangent to a circle correct answers then it is perpendicular to the radius at the point of
tangency
two tangent segments from the same exterior point are correct answers congruent and form
congruent angles with the line containing the exterior point and the center
size of the angle at the circumference is correct answers 1/2 of the central angle
an angle inscribed in a semicircle is correct answers a right angle
angles that intercept the same arc are correct answers congruent
if a quadrilateral is inscribed in a circle, then correct answers the opposite angles are
supplementary
the chord that is closer to the center is correct answers the longer chord
the length of the diameter is greater than correct answers the measure of any other chord (not a
diameter)
