Home
Class 11
MATHS
sin18^@sin70^@+sin16^@sin36^@=...

`sin18^@sin70^@+sin16^@sin36^@=`

A

1) `sin54^@sin34^@`

B

2) `sin54^@cos34^@`

C

3) `cos54^@sin34^@`

D

4) `cos54^@cos34^@`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove the following: sin20^@sin40^@sin60^@sin80^@=3/16

sin12^@sin24^@sin48^@sin84^@=

The value of sin10^@sin30^@sin50^@sin70^@ is equal to

sin47^@+sin61^@-sin11^@-sin25^@=

Without using trignometric tables,prove the following: sin10^@+sin50^@-sin80^@+sin140^@=sqrt2sin25^@

Prove the following: sin47^@+sin61^@-sin11^@-sin25^@=cos7^@

sin 180^(@) sin 70^(@) + sin 16^(@) sin 36^(@)=

sin10^@+sin20^@+sin30^@+...+sin360^@ is equal to

cos18^@-sin18^@=

Prove the following: sin18^@cos39^@+sin6^@cos15^@=sin24^@cos33^@