Math, asked by shankarnnaik1432, 8 months ago

2
4
V3
13
sin 48° sec 42° + cos 48°cos ec42°=
1) o 2) 2 3) 1 4)-1
Jr. Inter/Class XI

Answers

Answered by BrotishPal

0

Answer:

2

Step-by-step explanation:

sec 42 = 1/ cos42 = 1/sin(90-42)= 1/sin 48

cosec 42 = 1/cos 48 (same explanation)

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