Question
In the following question, select the related number
from the given alternatives. 68 : 70 :: 45: ?Solution
Second number = (first digit of first number) + (second digit of first number)² For '68: 70': = 6 + (8)² = 70. Similarly, for '45: ?': = 4 + (5)² = 29.
tan 1˚ × tan 2˚× …………………….tan 88˚ × tan 89˚ = ?
If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :

Determined the simplified value of the given expression:(1 - sin2 q) X (sec q + tan q) X (sec q - tan q) X cosec2 q
What is the simplified value of the given expression?
2(sin² 15° + sin² 75°) + 4sin 30° - (2sec 60° + cot 45°)

If 9 sinx + 40 cosx = 41 then find tanx.
Find the slope of the equation : 12x + 4y = 28.
Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.
If (2sin A + cos A) = 3sin A, then find the value of cot A.