Question

Find the minimum value of 5cosA + 12sinA + 12​

Answer 1

The values of trignimetric ratios can lie between

cosA= [-1,1]

sinA=[-1,1]

now

=5 cosA+12sinA+12

=5 (+- 1)+12 (+-1)+12

Taking negative values for minimum values

= -5-12+12

=-5

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Answer 2

Answer:

The answer is -1

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