If tan 0 + cot 0 = 4, then tan^4 0 + cot^4 0 =?
(a.) 196 (b.)194 (c.)192 (d.)190
# 0 represents theta #
Answers
Answered by
2
Step-by-step explanation:
(tano+coto)2=16
tan2o+cot2o+2tano coto=16
tan2+cot2o=14
(tan2o+cot2o)2=196
tan4o+cot4o+2tan2o+cot2o=196
tan4o+cot4o+28=196
196-28=168
Answered by
4
Answer:
(tano+coto)2=16
tan2o+cot2o+2tano coto=16
tan2+cot2o=14
(tan2o+cot2o)2=196
tan4o+cot4o+2tan2o+cot2o=196
tan4o+cot4o+28=196
196-28=168
Step-by-step explanation:
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