Math, asked by ahmed571, 7 months ago

Simplify.....
sin(D+ 30°) = cos D+ Sin(D – 30)

Answers

Answered by Anonymous

5

Answer:

L.H.S = sin(D+30°)

= sin D cos 30° + sin 30° cos D

= cos D × root 3/2 + cos D × 1/2

R.H.S = cos D + sin(D-30)

= cos D + (sin D cos 30° - sin 30 cos sec)

L.H.S = R.H.S

Hence, verified.

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