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What will be sign with cos (-150)=.........cos150?

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  • What will be sign with cos (-150)=.........cos150?


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... to higher angles just add to or subtract from 180 or 360 including the sign in the CAST rule.. meaning.. Cos is positive in the first ... (cos150)# = # ...
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Positive: 53 %
Find cos ((11pi)/6) Ans: sqrt3/2 Cal cos ... Sign up ... you will see that the value of cos 11pi /6 is equal to the value of cos pi /6.
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Positive: 50 %

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The sine and cosine functions form the basis of trigonometry. ... cos length of the ... It is important to be able to determine the sign ...
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Write the complex number in the form a + bi sqrt6(cos 315° + i sin 315°) PLEASE HELP options are: ... Sign Up on Brainly Privacy Policy ...
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What is the exact value of cos 225° cos 75 ... [cos (a - b) + cos (a + b)] cos225cos75=1/2[cos(225-75)+cos(225+75)] =1/2[cos150+cos300 ... Sign Up on ...
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Positive: 11 %

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