IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IB => Math => Topic started by: abczyx on December 30, 2012, 07:22:00 am

Title: PLZZZZ!!!! help
Post by: abczyx on December 30, 2012, 07:22:00 am

1)
Prove that   sin2x /(1+cos2x) = tanx


2)
Solve the eqn  2sec²X + tanX - 3 = 0             (X stands for theeta and  0<=X<=180)


SO PLZZZ HELP!!!!

Title: Re: PLZZZZ!!!! help
Post by: 1maths1 on August 25, 2013, 01:57:33 am

Hi
Sorry for late response, but if you still need help please let me know.

Thanks