Sine and Cosine Relationships

The branch of mathematics that studies the relationships involving sides and angles of triangles.

• Trigonometry

• Geometry

• Calculus

• Statistics

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Tags

CCSS.HSG.SRT.C.6

Find the value of x, rounded to the nearest tenth.

Tags

CCSS.HSG.SRT.C.8

At what angles do the sine and cosine functions have equal values in the first quadrant?

• 30^o

• 45^o

• 60^o

• 90^o

Tags

CCSS.HSF.TF.A.2

What is the cos 17 in terms of sine?

• sin 63

• sin 73

• sin 17

• cos 73

Tags

CCSS.HSG.SRT.C.7

At what angle are sine and cosine the same value?

Tags

CCSS.HSG.SRT.C.7

For what angles are sine and cosine the same?

• 0^o

• 45^o and 135⁰

• 45^o and 225⁰

• 45^o and 315⁰

Tags

CCSS.HSF.TF.B.7

Which of the following choices is equal to sin 53^ο?

• cos 37^ο

• cos 53^ο

• sin 37^ο

Tags

CCSS.HSG.SRT.C.7

Find the value of x, rounded to the nearest tenth.

Tags

CCSS.HSG.SRT.C.8

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5

Tags

CCSS.HSG.SRT.C.6