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The value of cos229o + cos261o is: Optionsa) b) 2c) 0d) 1 Solution As per questioncos229 + cos261ocos229 + (cos 61o)2cos229 + (cos (90 – 29)o)2cos229 + (Sin 29)2 Formula :- = cos (90 – cos229 + sin229 = 1Formula :- = 1 Ans is ) 1
The value of cos2 29o + cos2 61o is: Read More »
Simplify Options a) x – 9b) x + 3c) x – 3d) Solution As per question Ans is ) x – 3
Simplify (x2 – 9)/x+3 Read More »
What is the value of sec (t), if tan (t) = ? Optionsa) b) c) d) Solution As per question tan Q = (AB)2 = (AC)2 + (BC)2(AB)2 = (3)2 + (1)2(AB)2 = 9 + 1 = 10AB = sec (t) = Ans is )
What is the value of sec (t), if tan (t) = 1/3 ? Read More »
The value of sin2 30 – sin2 40 + sin2 45 – sin2 55 – sin2 35 + sin2 45 – sin2 50 + sin2 60 is: Optionsa) 4b) 0c) 1d) 2 Solution As per question sin2 30 – sin2 40 + sin2 45 – sin2 55 – sin2 35 + sin2 45 – sin2
Simplify . Optionsa) x2 + 5x + 25b) x2 – 25c) x2 + 10x + 25d) x2 + 25 Solution As per question (x + 5)2 = x2 + 10x + 25 Ans is ) x2 + 10x + 25
Simplify x3 + 15×2 + 75x + 125/x2 – 25 (x – 5). Read More »
If , then evaluate (. Optionsa) b) c) d) Solution As per questionFormula :- ((Given = Ans is )
If cosec theta = 5/3 , then evaluate (sec2 theta – 1) x cot2 theta x (1 + cot2 theta). Read More »
All the six members of a family, 1, 2, 3, 4, 5 and 6, live together. 2 is the daughter of 3, but 3 is not the mother of 2. 1 and 3 are a married couple. 5 is the sister of 3. 4 is the daughter of 1. 6 is the brother of 2.
The same operation(s) are followed in all the given number pairs except one. Find that odd number pair. (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc., to 13 can be performed. Breaking
11 : 143, 13 : 169, 12 : 152, 15 : 195 Read More »
80 is related to 99 following certain logic. Following the same logic, 0 is related to 3. To which of the following numbers is 35 related, following the same logic? (NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13
Select the set in which the numbers are related in the same way as are the numbers of the following set.3 — 20 — 54 — 17 — 3 NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as
3 — 20 — 5, 4 — 17 — 3, 9 — 77 — 8 Read More »