Math, asked by shubham84291057, 1 year ago

sin 15 degree value is​

Answers

Answered by Anonymous
1

Sin15°

We can also write it as

Sin(45° - 30°)

Sin(a-b) = SinaCosb - CosaSinb

So by following this,

Sin(45° - 30°)

=> Sin45°Cos30° - Cos45°Sin30°

=> (1/√2)(√3/2) - (1/√2)(1/2)

=> (√3/2√2) - (1/2√2)

=> (√3-1)/2√2

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