Q. 4 D5.0( 1 Vote )

Evaluate the following :

tan60° . cosec245° + sec260°.tan45°

Answer :

We know that


tan (60o) = √3


cosec (45o) = √2


sec (60 o) = 2


tan(45o) = 1


Now putting the values;


= (√3) × (√2)2 + (2)2 × (1)


= 2 +4


=2 (√3 + 2)


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