Question

Choose the correct answer from the following alternatives
2 tmn 30
(A) cos 60
(B) sin 60
(C) tan 60
(D) cot 60
Section - B
Answer the following questions. (6 to 10) Any 3 of the following
(2 marks each)
For two concentric circle of radius 25 cms and 7 oms; the chord of the of the
larger circle touches the smaller circle Find its length.
Evaluate : 2 tan* 45+cos30- sin 60°
#radi of two concentric circles are 28 cms and 18 cms respectively. If the
perimeter and the area of the circles are numerically equal. Then find the
radius of the circle
# 15 tan - Find values of cos & Cosece
For a circle with centre 0. two tangents PA and PB form an angle of 80' from
an external point P. find m 2 POA
Section-C
Answer the following questions as directed numbers (11 to 13).​

Answer 1

Answer:

I don't understand the question