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4 cards from this section. Quick, good the night before a test.
Define Sine and provide its formula.
Think about a triangle and which sides are opposite and adjacent to an angle.
What does the acronym SOH-CAH-TOA stand for?
Breaking it down into parts can help remember this.
What is the sine of 45°?
Remember the special angles we discussed.
True or False: The cosecant of an angle is the reciprocal of the sine.
Think about the definitions we explored.
In a right triangle, if angle A measures 30° and one leg measures 10 units (the leg opposite angle A), find the length of the hypotenuse.
Remember the sine definition surrounding right triangles.
A ladder leans against a wall, forming a 60° angle with the ground. If the foot of the ladder is 4 m away from the base of the wall, find the height it reaches on the wall.
Visualize the ladder as the opposite side to the angle of elevation.
6 more questions in this section. Enroll free to practise them all.
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