ICSE − Q & A

If TanA=nTanB   and  SinA=mSinB then prove that ???
                  Cos²A=m²-1/n²-1 
If u solve it then please show yours working???

guys they are asking about significant figures nowadays in board exam...i dont know about that..getting confused...can anyone explain ? with 2 3 examples

+ 1 more questions by student58  

Guys can board give cubic polynomials to solve ??? I guess they won't.Will they ?
asked by MP Harsha (student58) 9 years ago
1

can someone solve this with working

Please show working:
If ABC is a right angled isosceles triangle such that A (-5,4), B (-1,-2), C (5,2) find the coordinates of D if ABCD is a square.

is only evergreen right for the trees question

Anyone awake?! 😅😅

prove (sin a/1-cos a)+(tan a/1+cos a)=sec a cosec a +cot a

@ ISHANUJ YOU THERE

+ 1 more questions by dgenerationx  

I AM ALSO TRYING.. TRY IT FOR SOMETIME, IF YOU DONT GET. LEAVE THIS QUESTION..
asked by Siddharth Chhetri (dgenerationx) 9 years ago
1

Do we have to write the steps of construction?

I just drilled straight through the center of a solid sphere, resulting in a 6cm long cylindrical hole. What is the volume remaining in the sphere?
and this is dedicated to siddharth..:P