Math, asked by sureshkotte24499, 6 months ago

Tay this :-
3) sin 5 cos 85+cos 5 sin 850

Answers

Answered by dsk75

1

Answer:

it is in the form of

sinA cosBl + cosA sinB

which is equal to sin(A+B)

so,

sin5 cos85 + cos5 sin 85 = sin(5+85) = sin(90) = 1

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