Math, asked by yashbhosale, 1 year ago

without using calculator find value of sin (-765°)

Answers

Answered by SunilChoudhary1
1
-sin765....-sin45....-1/√2
Answered by annieayaaz1
1
765=720+45

sin(765)=sin(720+45)=sin(2∗360+45)s

Now the period of sin x is 360 degrees. After every integral multiples of 360 degree it will repeat its value.

Sosin(2∗360+45)=sin45=(1/2).5s/)

Hope that was useful.

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