Given that tan(θ)=√7/2 and sin(θ) < 0, find cos(θ)

The equation respenting the left table is

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?