Long Test in Math 9 STE-Siar

Using the figure above, what is the value of sin A?

What trigonometric ratio is the inverse of cosine?

• cot

• csc

• sec

• sin

What is the value of cos B in the figure?

What is the value of tan B in the figure?

Using the figure, which mnemonic to use in finding c, using ∠A as a reference angle?

• CAH

• TOA

• SOH

• SHA

Using the figure, which mnemonic to use in finding ∠B?

• CAH

• TOA

• SOH

• CAO

cos 87

• .05
• .569
• .0523
• .5700

What is the correct equation to solve for x?

What is the length of the hypotenuse side?

• 8

• 15

• 17

Find the measure of the missing angle.

• 49^o
• 50^o
• 41^o
• 33^o