Hello,
sin² x-cos² x=sin² x-(1-sin² x)=2sin² x-1
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Answer:
y= 0,-2
Hope this helps!
Answer:
24
Step-by-step explanation:
26x26=676
10x10=100
676/100=576
The square root of 576 is 24.
Multiply $20 by 20% good luck
C. 118.2
1 and 2 make a complimentary angle, so 2=118.2
2 and 6 are corresponding, so angle 2=angle 6 (118.2 = 118.2)