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Questions and Answers
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- 4√2 / 9
- -4√2 / 9 (correct)
- -4√2 / 8
- -5√2 / 9
sin 2 θ اوجدي
sin 2 θ اوجدي
- 2sin= √15/8 (correct)
- 2sin= -√15/8
- 2sin= √15/6
- 2sin= √14/8
sin 2 θ اوجدي
sin 2 θ اوجدي
- 2sin= - 23/25
- 2sin= 24/25
- 2sin= - 24/26
- 2sin= - 24/25 (correct)
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Study Notes
Trigonometric Identities
- The sine of 2θ is equal to 2sin(θ)cos(θ)
- The formula sin(2θ) = 2sin(θ)cos(θ) is a double-angle identity in trigonometry
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