Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Prove that 2cos? = 2^1/2 + 2^1/2 + 2cos 4? 2^1/2 means root 2.

Prove that 2cos? = 2^1/2 + 2^1/2 + 2cos 4?
2^1/2 means root 2.

Grade:10

1 Answers

Vivek Nigam
28 Points
10 years ago

wait i will have to try it......hmmm.....

ok..

apply inverse trignometry rules...that will surely get you towards the solution!

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free