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Find the value of sin 75

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Find the value of sin 75

Posted by Ranjan Mahto 6 years, 7 months ago

CBSE > Class 11 > Mathematics

3 answers

Swarnali Mondal 6 years, 7 months ago

*3+1/2*2 let * is root under

Onkar Bansal 6 years, 7 months ago

Sin (45+30)=sin45cos30+cos45sin30 =(1/*2)×(*3/2)+(1/*2)×(1/2) =(3/*2)+(1/*2) =(4/*2) =2*2 Let * be under root

Swarnali Mondal 6 years, 7 months ago

sin 75 = sin(45+30) =sin45cos30 +cos45sin30 Putting the values we will get the value of sin75

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