sin2 73 +sin2 17/ cos2 37 + cos2 53=???
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1/cos^2 37=sec^2 37
Step-by-step explanation:
sin^2 73+cos^2 53+sin^2 17/cos^2 37
=1+sin^2 17/cos^2 37 [since,sin^2 A+cos^2 A=1]
=(cos^2 37+sin^2 17)÷cos^2 37
[since,sin^2 A+cos^2 A=1]
= 1/cos^2 3
[since, 1/cos=sec]
= sec^2 37
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4
Answer:
The Law of Universal Gravitation states that every point mass attracts every other point mass in the universe by a force pointing in a straight line between the centers-of-mass of both points, and this force is proportional to the masses of the objects and inversely proportional to their separation This attractive ...
Step-by-step explanation:
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