Question

If sin Φ + cos Φ = 2, find sec Φ + cos Φ​

Answer 1

Answer:

Step-by-step explanation:

sin@+cos@=2

square on both side

sin^2@+cos^2@+2sincos@=4                               (sin^2@ +cos^2@=1)

1+2sin cos@=4

2sincos@=3

sincos=3/2

sec@+cosec@

1/sin@+1/cos@

sin@+cos@/sincos@                                       (putting value)

2/3 *2

so hence the value is 4/3

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