Math, asked by vy8562906, 11 months ago

find the value of cos(-765)

Answers

Answered by Dynamicsreborn

0

Answer:

cos(-765)

Since, there is no impact of negative in cos,

It can be written as cos(765)

cos(765)

cos(720+45)

Since its in 1st quadrant

Therefore,

cos45

1/sqrt2 (answer)

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