Question

Find the value of sin 45 .Cos30+ cos45 . Sin30​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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RHS:

sin45.cos45+sin30

=1|√2.1|√2 + 1|2

= 1|2+1|2

=2|2

=1

now,

tan 3x = 1

but tan 45° = 1

therefore,

tan 3x = tan 45

means 3x = 45

& x=45÷3

hence x= 15