types of angle
angle 75 = _______ angle
acute angle
All angles in a triangle less than 90
= ______ triangle
acute angled triangle
sin = _______
opposite/hypotenuse
1/sec = ___________
cos
angle 90 = _____ angle
right angle
in triangle one angle is greater than 90
= _______ triangle
obtuse angled triangle
cos = _________
adjacent/hypotenuse
sin/cos = _______
tan
angle 112 = ________ angle
obtuse angle
two angles are 50 and 70. find third angle
angle 60
tan = _________
opposite/adjacent
cos/sin = ________
cot
sum of two angles is 180 = ____ angle
supplementary angle
if hypotunuse is 15cm and adjacent is 9cm. find opposite side
12cm
cosec = _______
hypotunese/adjacent
1/cosec = _________
sin
sum of two angles are 90 = _______ angle
complementary angle
in a triangle opposite side 3cm and adjacent side 4cm. find hypotenuse.
5cm
sec = ________
hypotunuse/adjacent
1/cot
tan