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OpenStudy (anonymous):
tan10-tan 50+ tan 70
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OpenStudy (anonymous):
according to the trignometry table tan10=0.64 (2 decimal value) tan 70=1.22 tan 50=0.27 so 0.64+1.22-0.27 =1.59
OpenStudy (anonymous):
or you want to use identities?
OpenStudy (anonymous):
yes i want to use identities
OpenStudy (anonymous):
Ha ha ha ha, @nitz ..
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