Seca
(111) cosa
-
ee
3.
Iftwo angles a and ß are complementary angre
(i) s...
Mathematics, 19.10.2020 14:01, animedragonking459
Seca
(111) cosa
-
ee
3.
Iftwo angles a and ß are complementary angre
(i) sin?a+sin?f=1
eos
(11) cotB+cos ß = cosa
x2
4. If sin 17° = . let us show that sec 17º – sin 73° =
y?
yvy2-x2
1
Let us show that sec2 12°
1
tan2 78°
6.
tan A
ZA+ZB = 90°, let us show that 1+
sec? A
tan B
7.
Let us show that cosec-22° cot268° = sin²22° + sin? 68° + cot268°
UD 5.
-
If ZP+ZQ=90°, let us show that,
sin P
sinP cos Q = cos P
V cos Q
9. let us prove that cot 12° cot 38° cot 52° cot 78° cot 60°
✓3
10. AOB is a diameter of a circle with centre O and Cis any point on the circle
B, C; and 0,C let us show that
(i) tanZABC=cotZACO (ii) sin’ZBCO +sin? ZACO=1
(iii) cosecZCAB-1=tan? ZABC
11. ABCD is a rectangular figure, joining A, C let us prove that.
Answers: 3
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According to the data set, where should the upper quartile line of the box plot be placed?
Answers: 1
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Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170
Answers: 1
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Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
Answers: 1
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