Question
Select the correct option that can complete the
series. 72, 74, 78, 86, 102, 134, ?Solution
72 + 2¹ = 72 + 2 = 74 74 + 2² = 74 + 4 = 78 78 + 2³ = 78 + 8 = 86 86 + 2⁴ = 86 + 16 = 102 102 + 2⁵ = 102 + 32 = 134 134 + 2⁶ = 134 + 64 = 198
What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?
If sec²x + csc²x = 10, find the value of tan²x + cot²x.
If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :
- If sin (4A − 5B) = (√2/2) and cos (A + B) = (√2/2), where 0° < A, B < 90°, then find the value of ‘A’.
sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
if 7 sin 2 x + 2 cos 2 x = 4 then find tan x

If sin 23° = `12/13` , then tan 67° = ?
...The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...

Take θ = 450