First slide

Trigonometric Identities

Question

If $\tan θ = \frac{- 4}{3}$ and $θ$ does not lie in the IV quadrant then $5 \sin θ + 10 \cos θ + 9 \sec θ + 16 \cos e c θ + 4 \cot θ =$

Very Easy

A

0
B

-1
C

1
D

2

Solution

$\tan θ = \frac{- 4}{3}$ and $θ \notin Q_{4}$ then $θ \in Q_{2}$
$\sin θ = \frac{4}{5}$ , $\cos θ = \frac{- 3}{5}$ , $\sec θ = \frac{- 5}{3}$ , $\cos e c θ = \frac{5}{4}$ , $\cot θ = \frac{- 3}{4}$
$5 \sin θ + 10 \cos θ + 9 \sec θ + 16 \cos e c θ + 4 \cot θ = 4 - 6 - 15 + 20 - 3 = 0.$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App