Question

COSA
Q29. Prove that:
cosec A + cot A
COS A+
OR
sin 8-2sine
2cos -cos 8
tane
Q30. A decorative block which is made of two sides a cube and a hemisphere. The base of the block is a
cube with edge 5cm and the hemisphere, fixed on the top, has a diameter of 4.2cm. Find the total surface
area of the block. (take n = = 23)
Q31. In the given figure, ABC is a quadrant of a circle of radius 14cm and a semicircle is drawn with BC
as diameter. Find the area of the shaded region.
Q32: A container shaped like a right circular cylinder having diameter 10cm and height 12cm is full of
sand. The sand is to be filled into cones of height 12cm and diameter.
Q33. A manufacture of TV sets produced 600 sets in the third year and 700sets in the seventh year.
Assuming that the production jncreases uniformly by a fixed number every year. Find​

Answer 1

Answer:

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Answer 2

Answer:

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