Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0

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
`        Cos 4x = 1-8sin square x cos square x prove that the R.H.S`
one year ago

Arun
22958 Points
```							 you can solve cos4x ascos2(2x) =1-2sin2(2x)             =1-2(2sinx . cosx)2                          { sin2x = 2sinx. cosx}             =1-2(4sin2x.cos2x)            =1-8sin2x.cos2xLHS=RHS
```
one year ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Trigonometry

View all Questions »

### Course Features

• 731 Video Lectures
• Revision Notes
• Previous Year Papers
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Test paper with Video Solution

### Course Features

• 31 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions