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If√3tanthita=1 then find the value ofsin2thita-cos2thita

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If√3tanthita=1 then find the value ofsin2thita-cos2thita

Posted by Prakash Pradhan 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

बबलु यादब 6 years, 8 months ago

Root under 3tanthitha=1 Tanthitha=1/root under 3 》p=1 & b=rootunder 3 》h=root under 4= 2 Sin^2thitha-cos^2thitha 》(p/h)^2 - (b/h)^2 》1/4 - 3/4 》- 2/4 = - 1/2

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