Question

If a E
$(7x \: \frac{15x}{2} )$
, then find the value of
$sin ^{ - 1}( sin ) + cos^{ - 1}(cos) + tan^{ - 1} (tan^{ - 1} (tan) + cot^{ - 1} (cot)$
​

Answer 1

Answer:

two ropes are 5-m and 6-m long.find the total length of rope