Question
The following sentence has been split into four segments.
Identify the segment that contains a grammatical error. He doesn’t know / how to solve / the complicating problem / given by the teacher.Solution
The word "complicating" is incorrect here because it is a present participle (verb form) and doesn’t fit as an adjective describing the noun "problem."
The correct adjective should be "complicated," which means difficult or complex.
So, the correct phrase is "the complicated problem."
- Simplify the following trigonometric expression:
15 cos 27° sec 63° − 9 cot 61° tan 29° If √3 tan 2θ – 3 = 0, then find the value of tanθ secθ – cosθ where 0 < θ < 90°
If (cos A - sin A) = √2 cos (90° - A), then find the value of cot A.


If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is
Find the maximum value of 14 sin A + 24 cos A.

- If cos θ = (4x² – 1)/(1 + 4x²) then find the value of sin q.
The minimum value of 9 cos2 θ + 36 sec2 θ isÂ