Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
4 Important Trigonometric Limit Practice Problems for IIT
sir in the 3rd sum there is a mistake with cosx - cos (a+2x) should be cosa - cos (a+2x) right? and the final and would be 4tan(a+x)seca right??
Ashish Bajpai
4 months ago
why ? I see no issue
Riya Vishwakarma
4 months ago
sir becoz in the question it's tan(a) so acc to ur formula tanA - tanB = sin(A-B)/cosA.cosB