FIND THE VALUE OF SEC -75 DEGREE
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Answered by
33
Hey dear here is ur answer,
Sec75°=1/cos75°
So first we find out value of cos75°
So value of cos75°=cos(30°+45°)
=cos30°cos45°-sin30°a sin45°
Putting values
=√3/2×1/√2-1/2×1/√2
=√3-1/2√2
So value of sec75°=2√2/√3-1
Hope it will help you
Sec75°=1/cos75°
So first we find out value of cos75°
So value of cos75°=cos(30°+45°)
=cos30°cos45°-sin30°a sin45°
Putting values
=√3/2×1/√2-1/2×1/√2
=√3-1/2√2
So value of sec75°=2√2/√3-1
Hope it will help you
Answered by
15
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