Find the value of sin75 using sin(A+B)= SinACosB+ CosASinB
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Answered by
1
sin75=sin(30+45)
=sin30cos45+cos30+sin45
=1/2.1/√2+√3/2+1/√2
=1/2√2+√3/2√2
=1+√3/2√2
Answered by
1
sin75= sin(45 + 30)
= sin45cos30 + cos45sin30
= 1√2 * √3/2 + 1/√2 * 1/2
= √3/2√2 + 1/2√2
= √3 + 1/2√2
=
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