What does this mean we never went over it..: Find the difference between 827 and 533. * Please tell me. Thank you!
2 answers:
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Answer:
see explanation
Step-by-step explanation:
Using the identity
cos2Θ = 1 - 2sin²Θ, then
1 - 2sin²( -
)
= cos [2( -
)]
= sos( - Θ )
= coscosΘ + sin
= 0 × cosΘ + 1 × sinΘ
= 0 + sinΘ
= sinΘ = right side