Question

what is the value of sin^230°-cos^230°??​

Answer 1

Sin^2 30* = (1/2)^2
=(1/4)
And
Cos^2 30* =(root 3/2)^2
=(3/4)
Sin^2 30* - cos^2 30*=
1/4 - 3/4 = -1/2

Answer 2

Answer:

See the above attachment

I hope it's helps u

It's takes too time..

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