Question

if Sin A + 1 / Sin A is equal to 3 find the value :- Sin^4A + 1 / Sin^4A​

Answer 1

Answer:

3^4 = 81

Step-by-step explanation:

Sin A + 1 / Sin A = 3

Multiply both sides with themselves four times

((Sin A + 1)/(Sin A))^4 = 3^4

((Sin^4 A + 1^4)/(Sin^4 A)) = 3^4

((Sin^4 A + 1)/(Sin^4 A) = 81 (since 1^4 = 1)

Answer 2

Answer:

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