Home
Class 11
MATHS
cos7 0*cos1 0+sin7 0*sin1 0=1/2...

`cos7 0*cos1 0+sin7 0*sin1 0=1/2`

Promotional Banner

Similar Questions

Explore conceptually related problems

" if " f(0) = |{:(sin 0 ,,cos 0,,sin 0),(cos0,,sin0,,cos0),(cos0,, sin 0,,sin 0):}| then

" if " f(0) = |{:(sin 0 ,,cos 0,,sin 0),(cos0,,sin0,,cos0),(cos0,, sin 0,,sin 0):}| then

" if " f(0) = |{:(sin 0 ,,cos 0,,sin 0),(cos0,,sin0,,cos0),(cos0,, sin 0,,sin 0):}| then

Write the value of the expression (1-4sin1 0^0sin7 0^0)/(2sin1 0^0)

Show that : cos 70^0.cos10^0 + sin 70^0 . Sin10^0 = 1/2

Prove that: sin 780^0sin 480^0+cos 120^0sin 150^0=1/2

Prove that: sin600^0cos 390^0+cos 480^0sin 150^0=-1

Prove that: \ cos7^0cos 14^0cos 28^0cos 56^0=(sin 68^0)/(16cos83^0)

Prove that: sin780^0sin 120^0+cos 240^0sin390^0=1/2

sin 163^0cos 347^0+sin 73^0sin 167^0= a. 1//2 b. 1 c. 0 d. none of these