Question

30 points!!!!!sin(-thetha)sin(90+thetha) urgent!!!with process only accepted​

Answer 1

Answer:

If you are using the basic trigonometry definitions, then if one angle in a triangle is theta, the other is 90- theta so that "near side" and "opposite side" are reversed so that "sine" an "cosine" are switched. But in that case "sin(90+ theta)" makes no sense. A right triangle cannot have an angle larger than 90 degrees.

Answer 2

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$\red {QUESTION}$

sin(-thetha)sin(90+thetha)

$\green {ANSWER}$

Not possible.

If you are using the basic trigonometry definition, then if 1 angle of triangle is theta, the other is 90°-theta so that near side and opposite side are reversed so that sine and cosine are switched. But in that case sine (90+theta) makes no sense. A right angle cannot have an angle more than 90°.

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