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riadik2000 [5.3K]
3 years ago
8

Sin⁴∅-Cos⁴∅/Sin∅-Cos∅=Sin∅+Cos∅​

Mathematics
2 answers:
Ronch [10]3 years ago
6 0

Consider LHS:

Simplify using half angle formula.

\frac{ \sin {}^{2} (x)  -  \cos {}^{2} (x)  }{ \sin(x)  -  \cos(x)  }  =  \sin(x)   +  \cos(x)

Divide LHS

\sin(x)  +  \cos(x)  =  \sin(x)  +  \cos(x)

Scorpion4ik [409]3 years ago
5 0
Whattt i don't get it lol
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Diano4ka-milaya [45]

Answer:

<em>The coordinates of B are (-11,7)</em>

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<u>Reflection of Points</u>

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When the point is reflected over the x-axis, the x-coordinate is unchanged, and the y-coordinate is inverted: (x,y) -> (x,-y).

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Then, point B is reflected over the y-axis to form point C with coordinates (11,7).

The coordinates of B are (-11,7)

The coordinates of C are (11,7)

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