Click to Chat

1800-2000-838

+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
```        1)IF sinx=cos2x, then cos2x(1 + cos2x) is?
2)SOLUTION SET OF (3/5)x=(x -x2-9) is?```
7 years ago

147 Points
```										Dear vardaan
sinx=cos2x
sinx =1-sin2x
sin2x = 1-sinx  ..............1

now   cos2x(1 + cos2x) = sinx (1+sinx)
=sinx + sin2x
= sinx + 1-sinx         from equation (1)
=1

Please feel free to post as many doubts on our discussion forum as you can.If you find any question Difficult to understand - post it here and we will get you the answer and detailed  solution very  quickly. We are all IITians and here to help you in your IIT JEE preparation.All the best. Regards,Askiitians ExpertsBadiuddin
```
7 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Trigonometry

View all Questions »
• Complete JEE Main/Advanced Course and Test Series
• OFFERED PRICE: Rs. 15,900
• View Details