Pre Calc Acute Triangles, Study notes of Pre-Calculus

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MTH108 Practice - Right triangle trig (angles not necessarily acute)

A point is given on the terminal side of an angle ș drawn in standard position. Find the values of the six trigonometric functions of ș****. 1)(-5,-12)

2)( 8 ,-15)

3)(-7,-24)

4)(-20, 21 )

Find the exact value of the indicated trigonometric function ofș.

5)cosș=

, tanș< 0 Find sinș.

6)sinș= -

, tanș> 0 Find secș.

7)cotș= -

, cosș< 0 Find cscș.

8)sinș=^1 2

, secș< 0 Find cosșand tanș.

9)sinș=

, secș< 0 Find cosșand tanș.

Use an appropriate Pythangorean identity to find the indicated value.

10)Given sin t =

for ʌ 2 < t <ʌ, find the value of cos t.

11)Given cot t =

forʌ< t < ʌ 2 , find the value of csc t.

12)Given csc t =

for 0 < t < ʌ 2 , find the value of cot t.

Testname: PRACTICE RIGHT TRIANGLE TRIG (ANGLES NOT NECESSARILY ACUTE)

1)sin ș =-

cos ș =-

tan ș =

csc ș =-

sec ș =-^13 5

cot ș =^5 12

2)sin ș =-

cos ș =

tan ș =-

csc ș =-

sec ș =

cot ș =-^8 15

Testname: PRACTICE RIGHT TRIANGLE TRIG (ANGLES NOT NECESSARILY ACUTE)