exam Maths Puzzle Numerical Ability

Using verifications solve:
theta=@

Sin@-cos@+1/Sin@+cos@-1= sin@+1/cos@

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exam Other Question

A 12% discount on Walrus tent saved Melanie $75. What was the original price of the tent? I need help please!!

Solve by adding like terms :

-3xy + 8xy^-1x^0 / y^-2 - 3x^2x^-1x / (x^-1)^-1

Thank u!