Solve for x such that your answer must contain every suitable x. tan2x.tan7x=1
Kowdinya , 9 Years ago
Grade 12
Trigonometry> Solve for x such that your answer must co...
2 Answers
Sourabh Singh
Last Activity: 8 Years ago
1- tan2x.tan7x =0 whiich means that
tan9x = inf
ie 9x = pie/2
x = pie/18
Kowdinya
Last Activity: 8 Years ago
The value of x must be such that
i)tan9x is not defined
ii)tan2x and tan7x are defined
i.e., tan9x is infinity and tan2x , tan7x are both not infinity
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