Cos2x=cos60*cos30+sin60+cos30then sin2x=?
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HEY MATE
HERE IS YOUR ANSWER
=>cos²x=1/2×√3/2+√3/2+√3/2
=>cos²x=√3/4+4√3/4
=>cos²x=5√3/4
=>sin²x=1 - cos²x
=>sin²x=1 - 5√3/4
=>sin²x=(4-5√3)/4
HOPE THIS HELPS YOU
HERE IS YOUR ANSWER
=>cos²x=1/2×√3/2+√3/2+√3/2
=>cos²x=√3/4+4√3/4
=>cos²x=5√3/4
=>sin²x=1 - cos²x
=>sin²x=1 - 5√3/4
=>sin²x=(4-5√3)/4
HOPE THIS HELPS YOU
mrauspicious13:
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