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OpenStudy (nali):
can someone plz show me how to solve this Write cos(arcsinx − arctan 2x ) as an algebraic expression.
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OpenStudy (nali):
i have the answer but i do not know how to solve it answer is \[\sqrt{1-x ^{2}} + 2x ^{2} / \sqrt{x4^{2} +1 }\]
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