the value of sin 40 degree minus cos 50 degree is
Answers
Answered by
20
Answer:
hey mate here is your answer
Step-by-step explanation:
sin40° - cos50°
= cos( 90°- 40°) - cos 50°
= cos 50° - cos 50°
= 0
hope this helps you
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Answered by
1
Answer:
The correct answer is 0.
Step-by-step explanation:
sin40 - cos50(angles are in degrees)
or, sin(30+10) - cos(60-10)
or, sin30cos10 + cos30sin10 - (cos60cos10 + sin60sin10)
Since, cos60 = sin30 and cos30 = sin60.
∴sin30cos10 + cos30sin10 - (sin30cos10 + cos30sin10) = 0
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