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tan θ + cot θ = 5 Squaring both sides ⇒ tan2 θ + cot2 θ + 2 tanθ cotθ = 25 ⇒ tan2 θ + cot2 θ = 25 - 2 ⇒ tan2 θ + cot2 θ = 23 tan2 θ + cot2 θ + 2 tan2 60° ⇒ 23 + 2 × (√3)2 ⇒ 23 + 2 × 3 ⇒ 29
If all the persons in row 1 are arranged in alphabetical order from the right end, then who among the following person sits opposite to M?
Six students (D, E, F, G, H and I) sit in a linear row facing south in a classroom but not necessarily in the same order. One person sits between D and ...
Six persons S, T, U, V, W and X are sitting in a row facing north. X is not sitting beside U and U is sitting at the extreme right. Only S is sitting be...
Which of the following statement is correct?
Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
How many candidates sit in the row?
Number of person sits between C and Z when counted from the left of C is same as Number of person sits between Y and ______ when counted from right of ...
What is the position of E from the left end?
What is the position of C with respect to D?
Four of the following five are like in a certain way and form a group. Which of the following does not belong to that group?