Question
Mathematics Question on Straight lines
Find the maximum value of 15sin θ + 20cos θ.
A
(A) 25
B
(B) 35
C
(C) 30
D
(D) 5
Answer
(A) 25
Explanation
Solution
Explanation:
Given: 15sin θ + 20cos θHere a = 15 and b = 20Then the maximum value =152+202=225+400=(625)=25∴ The maximum value of 15sin θ + 20cos θ is 25.Hence, the correct option is (A).