Question

$2 \tan^{2} (45) + \cos^{2} (30) - \sin^{2} (60)$
please fast answers ​

Answer 1

Answer:

tan 45=1,cos 30=root3/2,sin 60=root3/2

Step-by-step explanation:

2(1^2)+(root3/2)^2-(root3/2)^2

2+3/4-3/4

2

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Answer 2

Step-by-step explanation:

I think you can solve it now easily.