The Other Trigonometric Functions

REVIEW

What is sin 30°?

REVIEW

What is cos 90°?

REVIEW

What is sin 45°?

REVIEW

What is cos 60°?

The GEOMETRY use of TANGENT;

Find the trig value. Take note you are looking for the tangent of angle C.

One - more:

Find the trig value. Again, stating the tangent of C.

Which of the following is the value of;

(It might be helpful to convert to a degree first.)

$$\tan\left(\frac{7\pi}{4}\right)$$

Which of the following is the value of;

(It might be helpful to convert to a degree first.)

$$\tan\left(-\pi\right)$$

Which of the following is the value of;

(It might be helpful to convert to a degree first.)

$$\tan\left(\frac{7\pi}{6}\right)?$$  

Let's practice some reciprocals...

Given $$\frac{5}{9}$$ , the reciprocal would be ___.

Let's practice some reciprocals...

Given $$\frac{15}{7}$$ , the reciprocal would be ___.

How about this?

Given $$\frac{\pi}{180}$$ , the reciprocal would be ___.

What is the reciprocal of the sine (sin) function?

Cotangent (cot) is the reciprocal of what function?

What is the reciprocal of the cosine (cos) function?

Which of the following is the exact value of;

 csc(30^o).

(Remember csc is the reciprocal of sin.)

Which of the following is the exact value of;

 cot(135^o)

(Remember...cot is the reciprocal of tan)

Which of the following is the exact value of;  $$\csc\left(\frac{\pi}{2}\right)$$  

(Remember, csc is the reciprocal of sin)

Which of the following is the exact value of;

  $$\cot\left(\pi\right)$$  

(Remember, cot is the reciprocal of tan)

Not all angles are exact value angles. Consider this.

Given $$\cos\theta=-\frac{2}{3}$$ the $$\sec\theta$$ =?

Not all angles are exact value angles. Now conside this.

Given $$\sin\theta=\frac{7}{8}$$ the $$\sec\theta$$ =?