Write Pythagorean identity (2) marks

 Q2. Find the value of cos(75) by trigonometric table. 5 marks

 Q3.Find DetA .. 2 marks

Q5. Find the standard deviation 36,45,14,18,20,24,28,33,47,55,51.. 5 marks

Q6. find the point of intersection. 3 marks

Q7 Find the slop of the (4,6)(2,1)

 Q8 Given the sequence 1500,3000,5400.... find 5th tem.

Q9 tany/siny=secy

Q10 sin2A=2Sin Acos A

 Q.11 If multiple of 4 is set of A and B is set of 2 multiples then set A is subset of B or B is subset of A???

 

 Q12 Frequency density find out if width is 5 and frequency is 23

Q13 geomatric sequence find out

Q14 if mode is 30 then and median 38 then find the mean..?

 Q15 if frequency=12 n freqnucy dencity=0.6 then find t he class width..?

Q16find the slope of the line through the (3,-1) and (-4,2) Q17 three phythogorian identities..?

Question: 1 Marks:10 The 3rd and the 4th terms of a geometric progression are 12 and 8 respectively. Find the sum to infinity of the progression.

Question: 2 Marks:10 In how many ways can a team of 6 candidates can be formed out of a total of 10 candidates such that two particular candidates should be included in each department?