1.

If 5 tanA = 4, then find the value of (5 sinA – 3 cosA)/(5 sinA + 2 cosA)

Answer»

Step-by-step explanation:

5tan = 4

tanA=4/5

p=4 b=5

h=

\sqrt{ {5 }^{2}  +  {4 }^{2} }

\sqrt{25 + 16}

\sqrt{41}

SinA=

4 \div  \sqrt{41}

cosA=

5 \div  \sqrt{41}

5sinA-3cosA/5sinA+2cosA

5 \times 4 \div  \sqrt{41 }  - 3 \times 5 \div  \sqrt{41}  \div 5 \times 4 \div  \sqrt{41}  + 2 \times 5 \div  \sqrt{41}

20 \div  \sqrt{41}  - 15 \div  \sqrt{41 }  \div 20 \div  \sqrt{41}  + 10 \div  \sqrt{41}

5 \div  \sqrt{41}  \times  \sqrt{41}  \div 30

=1/6



Discussion

No Comment Found

Related InterviewSolutions