Evaluate cos(40°+θ)-sin(50°-θ) + cos240°+ cos250°/sin240° + sin250°.
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This is my conclusion.
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btsisthebest:
ARe you sure?
yes
no
jayyy is give worry answer
you can see vijay220 and jayyy answer
Ohh I got it. Thanks for asking the question tho. It gave me an attempt to try it. :)
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I hope it help
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my friend
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yes
Why did you change the sign to +theta in the second line??
where
Cos[90-50)+ theta]
Howd you square cos 250 ?
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