sin30+tan45-cosec60/sec30+cos60+cot45
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1/2+1-2/root3/2/root3+1/2+1
1/2+1-1+1/2+1
1/2+1/2+1/1
1+1+2/2(whole upon)
4/2
2.
1/2+1-1+1/2+1
1/2+1/2+1/1
1+1+2/2(whole upon)
4/2
2.
Answered by
12
Sin 30 = 1/2 ,
Tan 45 = 1 ,
Cosec 60 = 2/√3 ,
Sec 30 = 2/√3 ,
Cos 60 = 1/2 ,
Cot 45 = 1 .
Now , Sin30+tan45-cosec60/sec30+cos60+cot45 = 1/2+1-2/√3 / 2/√3+1/2+1
= 1/2+1-1+1/2+1
= 2 .
Tan 45 = 1 ,
Cosec 60 = 2/√3 ,
Sec 30 = 2/√3 ,
Cos 60 = 1/2 ,
Cot 45 = 1 .
Now , Sin30+tan45-cosec60/sec30+cos60+cot45 = 1/2+1-2/√3 / 2/√3+1/2+1
= 1/2+1-1+1/2+1
= 2 .
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