Trigonometry- exact value of sin2(-5pie/6)-2cos(120degrees)tan(7pie/4)
QUESTION
exact value ofsin2(-5pie/6)-2cos(120degrees)tan(7pie/4)sin feta= 0.3 and cos feta= 0.5, what is the value of tan feta?Solve: between 0 to pie2square root 2 sin feta cos feta -2sin feta -square root 6 cos feta+square root 3=0
ANSWER:
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