Math, asked by susmithakada20, 7 months ago

In figure 8.3 , find tan P - cot R

Answers

Answered by sumanrudra22843
1

Step-by-step explanation:

Planck's law describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium at a given temperature T, when there is no net flow of matter or energy between the body and its environment.

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