Math, asked by PallabiSaha, 11 months ago

Cos 25 degree minus cos 35 degree =

Answers

Answered by byaswanth2005

0

Answer:

sin 5 = 0.08

Step-by-step explanation:

as it is in the form of cos c - cos d

= 2 * sin (25+35)/2 . * (sin 35-25)/2

= 2 * sin30 * sin5

as sin30 = 1/2

==> answer is sin 5

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