Question

Y sin 45 thetah cos 45 thetah =tan 2 45 degree -cos 2 30 then Y=???

Answer 1

Answer:

1/2

Step-by-step explanation:

Y Sin 45. Cos 45= Tan^2 45 - Cos^2 30

Put sin 45 & Cos 45 as $1/\sqrt{2}$

Tan 45 as 1

Cos 30 as $\sqrt{3}/2$

On solving, we get answer as 1/2

Regards

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