Question

find the value of for csec² 60°-16 tan ²30°.​

Answer 1

Answer:

-4

Step-by-step explanation:

Cosec60°=2/√(3)

Tan 30°=1/√( 3)

So,

===>> (2/√(3)) ^2 - 16(1/√(3))^2

===>> 4/3-16/3

===>> -12/3

===>> -4

Hence the required answer is - 4.