Math, asked by dilshadilu707, 5 months ago

evaluate 3 sin 30 - 4 cos cube 60

Answers

Answered by snehaprajnaindia204

6

Answer:

sin 30° = 1/2

cos 60° = 1/2

3sin 30° - 4cos³60°

= 3/2 - 4 × (1/2)³

= 3/2 - 4 × 1/8

= 3/2 - 1/2

= 2/2

= 1

!!

Step-by-step explanation:

dilshadilu707: how we get 1/8

snehaprajnaindia204: whole cube of 1/2 = 1/8

dilshadilu707: can you help me

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