Question

solve
cot 45°cot66°cos44°sin55°

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Answer 1

Step-by-step explanation:

The value of

cot

45

is 1.

You can get a right angled triangle with the other two angles of 45 degrees by drawing a diagonal in a square.

Now if you calculate the values of trigonimetrical functions of 45 deg you find that both

tan

45

and

cot

45

is 1. Tangent and cotangent of an angle is the quotient of 2 catheti, which are equal, so finally

tan

45

=

cot

45

=

1..

i hope this answer help u.......