Question
9. Solve for the required ratios in each of the following Express each answer as an exact value with a rational denominator. a) Angle Theta terminates in the second quadrant. If tanTheta =-(sqrt (3))/(5) find sinTheta and cosTheta
Solution
4
(243 Votes)
Evelyn
Elite ยท Tutor for 8 years
Answer
###
,
Explanation
## Step 1: Find the value of
### Given that
, we know that
. Since
is in the second quadrant,
is negative and
is positive. Thus,
and
. We can find
using the Pythagorean theorem:
.
. Therefore,
.## Step 2: Calculate
### Now that we have
and
, we can find
.
. Rationalizing the denominator gives
.## Step 3: Calculate
### Similarly, we can find
using
and
.
. Rationalizing the denominator gives
.