Question

If cosec ¢=3/2 then 2(cosec²¢ + cot²¢=

Answer 1

Hope it’s correct if any mistake pls do inform me

Answer 2

Answer:

Explanation:Q. If cosec ¢=3/2 then 2(cosec²¢ + cot²¢)= ?

A.=2(cosec²¢+cosec²¢-1) [as1 + cot²¢= cosec ¢]

=2((3/2)²+(3/2)²-1) [given that cosec ¢=3/2]

=2(9/4 + 9/4 - 1)

=2(18/4 - 1)

= 2(18/4 -4/4)

=2(14/4)

=2(3.5)

=7

Hence,2(cosec²¢ + cot²¢)= 7