Question

cos 40° - sin 30°/sin 60° - cos 50°=tan 50°​

Answer 1

Answer:

(cos40-sin30)/sin60-cos50

=(cos40-sin(90-60))/sin60-cos(90-40)

=(cos40-cos60)/sin60-sin40

=2sin(40+60/2)sin(60-40/2)/2cos(60+40/2)sin(60-40/2)

=2sin50 sin10 /2cos50 sin10

=sin50/cos50

=tan50

Step-by-step explanation:

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Answer 2

Answer:

Refer to the attachment