Math, asked by amangaur4911, 10 months ago

Sin(-690).cos(-300) cos(750).sin(240)

Answers

Answered by saurabh1792

1

Step-by-step explanation:

- sin(720 - 30 ) cos ( 360 - 60 ) cos ( 720 + 30 ) sin (180 + 60 )

- (sin 30 )(cos 60 )cos(30 )( sin60)

- (1/2 )(1/2) (√3/2)(√3/2)

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