8. Convert 40° 20' into radian measure.
9. if Z1 = (2+ 5i)and Z2 = (3 + i)then find 2,22
10. Find the multiplicative inverse of -i
PART-B
II.
Answer any TEN of the following questions:
11. Write the all the subsets of a set {1,2,3}
12. Define disjoint sets. Give example.
13. Write the ven diagram An B'
14. If f(x) = x2 + 1 and g(x) = 2x + 1 find (i)f - g(x)(ii)fg(x
15. If A x B = {(a,x),(a,y),(b,x),(b, y)} find A and B.
16. If cos x = (-3),x lies in III'd quadrant then find value of other f
17. Prove that tan 2x
V x E R
18. sin 24 + cos2
2-tan?" =
19. Solve cos x = -
is 15 cm long. How far does its tip m
2 tan x
1-tan2 x
2
1
Answers
Answer:
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Step-by-step explanation:
Answer:
19. Solve cos x = -
is 15 cm long. How far does its tip m
2 tan x
1-tan2 x
2
1