answer me soon......(cos 45°)/(sec30°+cosec30°)
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here's ur answer......
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shrava28:
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Answered by
5
here is ur answer
cos 45°=1/√2
sec 30°=2/√3
cosec 30°=2
so,
(cos 45)/(sec 30/cosec 30)
=(1/√2)/(2/√3/2)
=(1/√2)/(2/2√3)
=(1/√2)/(1/√3)
=(1/√2) ×√3
=(√3/√2)
rationalize this and we get
=(√3/√2)×(√2/√2)
=√6/2
hope u understand
pls mark it as brain list
cos 45°=1/√2
sec 30°=2/√3
cosec 30°=2
so,
(cos 45)/(sec 30/cosec 30)
=(1/√2)/(2/√3/2)
=(1/√2)/(2/2√3)
=(1/√2)/(1/√3)
=(1/√2) ×√3
=(√3/√2)
rationalize this and we get
=(√3/√2)×(√2/√2)
=√6/2
hope u understand
pls mark it as brain list
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