Question

5. The value of tan-'(1)+ tan-(2)+tan-?(3) is​

Answer 1

Answer:

<div class="scene">

<div class="cube">

<div class="cube__face cube__face--front">front</div>

<div class="cube__face cube__face--back">back</div>

<div class="cube__face cube__face--right">right</div>

<div class="cube__face cube__face--left">left</div>

<div class="cube__face cube__face--top">top</div>

<div class="cube__face cube__face--bottom">bottom</div>

</div>

</div>