Trigonometry Theories with PYQs (#1) | Mathematics-I | 1st Semester Polytechnic | NatiTute

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Sar apnar math korar process khub sohoj a buchte pari

[@Rajkumar023-t8k]

Sin (-2025) = -Sin (22×90+45°) =Cos 45° = 1/√2

[@gamingid4103]

sin(-2025) = -sin(22×90°+45°) = -(-sin45°) = sin45° = 1/√2

[@mix_lofiii]

sin(-2025°) =-sin2025° =-sin(22×90°+45°) =cos45° =1/√2 Ans Please reply me sir 🙏🏻

[@NatiTute]

Excellent, you are correct✅

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[@gamingid4103]

​@@NatiTutesorry but there is a mistake, observe 3rd and 4th line, 24:33 click on it for a quick reference.

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​sir 22 is even no ​@@NatiTute

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Part2

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Nice

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[@ARTCOLTER]

-1/√2

[@ARTCOLTER]

Anser is -1/√2

[@NatiTute]

Right answer 1/√2

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হে স্যোর

[@gamingid4103]

sin(-2025) = -sin(22×90°+45°) = -(-sin45°) = sin45° = 1/√2

[@funnygamer9538]

Sin(-2025) Ans: --√3/2 Ans ta vul hola comment korun

[@NatiTute]

Sorry, you are wrong

[@funnygamer9538]

@@NatiTute thank you