Question

evaluat sin30°-cos45°-tan180°​

Answer 1

Answer:

sin30=1/2

cos45=1/√2

tan180=infinity

anything which is added or subtracted to infinity is infinity

Answer 2

Answer:

sin30-cos45-tan180

=$\frac{1}{2} -\frac{1}{\sqrt{2} } -0$

=$\frac{\sqrt{2} -2}{2\sqrt{2} }$

=$\frac{1-\sqrt{2} }{2}$

Step-by-step explanation:

here sin30 value is  $\frac{1}{2}$

      cos45 value is $\frac{1}{\sqrt{2} }$

     tan180 value is 0

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