Question

sin 30/sin 45 + tan 45/sec 60 - sin 60/cot 45 - cos 30/sin 90​

Answer 1

Answer:

1/√2 + (1-2√3)/2

Step-by-step explanation:

sin 30=1/2

sin 45= 1/√2

tan 45=1

sec 60=2

sin 60=√3/2

cot 45=1

cos 30=√3/2

sin 90=1

sin 30/sin 45 + tan 45/sec 60 - sin 60/cot 45 - cos 30/sin 90​

=(1/2)/(1/√2) + (1)/(2) - (√3/2)/(1) - (√3/2)/(1)

=1/√2 + 1/2 - √3/2 - √3/2

=1/√2 + (1-2√3)/2

Answer 2

Answer:

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