English, asked by manshimishra244, 1 month ago

the value of determinate cos 50 sin40 and sin50 cos40

Answers

Answered by Riya8H

0

Answer:

Correct option is

C

1/2

∣

∣

∣

∣

∣

∣

cos50

∘

sin50

∘

sin10

∘

cos10

∘

∣

∣

∣

∣

∣

∣

=cos50

∘

cos10

∘

−sin50

∘

sin10

∘

=cos(50

∘

+10

∘

)

=cos60

∘

=

2

1

So, option (c) is correct

Explanation:

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