1.

(cos 45)/(sec30+cosec30)​

Answer»

Step-by-step explanation:

putting the value

1/root2

= ------------------------------

2/root3+2

1/root 2

= -------------------------

2+2root3 /root3

1. root 3

=------------- * -----------------

root 2. 2+2root3

root3

= ----------------------------

2root2 +2root6

rationalise the denomenater

root3*2root2-2root6

= ----------------------------------------

( 2root2)squar - (2root6) squar

answer is 3ROOT2 -root6/8



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