Math, asked by sriarkadip, 10 months ago

cos 2x is equal to Cos 60 degree cos 30 degree + sin 60 degree sin 30 degree​

Answers

Answered by Anonymous
0

cos 2x = cos 60° cos 30° +sin 60° +sin 30°

⇒ 2x = (1/2)*(√3/2)+(√3/2)+(1/2)

⇒ 2x = (√3/4)+(√3/2)+(1/2)

⇒2x = (√3+2√3+2)/4

⇒ 2x = (3√3+2)/4

⇒x = (3√3+2)/(4*2)

⇒x=(3√3+2)/8

Answered by rishu6845
3

Step-by-step explanation:

plzzz give me brainliest ans and plzzzz follow me please

Attachments:
Similar questions