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CBSE Class 10 Answered

TRIGNOMETRY
Asked by SINGALAA | 20 Jul, 2009, 09:15: PM
answered-by-expert Expert Answer

use  cos 45 = 1/2  sec 30 = 2/3    cosec 30=2   in

cos 45 degree/sec 30 degree + cosec 30 degree

1/2 / 2/3 +2

Answered by | 21 Jul, 2009, 11:23: AM

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