Question

Q.4. The value of
sin 30° cot 60° tan 45º
tan 30° cos 0°
is equal to:
1
(a)
2
(6)
3
17
e
1
-
(C)
4
(d)

Answer 1

Answer:

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Step-by-step explanation:

2(cos 4 60∘ +sin 4 30 ∘ )−(tan 2 60 ∘ +cot 2 45 ∘ )+3sec 2 30∘ =[( 21 ) 4 +( 21) 4 ]−[( 3 ) 2 +(1) ]+3( 32 ) 2=( 161 + 161

)−(3+1)+3× 34 =2× 81−4+4= 41