Maths problem!!! Evaluate the following: 1 – sin60²
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Maths problem!!! Evaluate the following: 1 – sin60²

[From: ] [author: ] [Date: 12-06-29] [Hit: ]
THANKYOU!!!1-3/4 1/4.and (1/2)^2 = 1/4.Thus either way of proceeding is correct.......
1 – sin260

By using sin²+cos² = 1, I figured;

1 – sin²60 = cos²60

Do I continue with the question or is that the answer? I’m not sure what the next step would be since its squared.

THANKYOU!!!

-
sin 60 = √3/2
sin^2 60 = 3/4
1-3/4 1/4.
Also cos 60 = 1/2
and (1/2)^2 = 1/4.
Thus either way of proceeding is correct.
1
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