Answer:
<1=39 degrees
<2=141 degrees
Step-by-step explanation:
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The answer is cot² ∅ - csc² ∅ = -1
Referring to Pythagorean identities:
sin² ∅ + cos² ∅ = 1
1+cot² ∅ = csc² ∅
tan² ∅ + 1 = sec² ∅
1+cot² ∅ = csc² ∅
⇒ transposing 1 and csc² ∅ we will have now
cot² ∅ - csc² ∅ = -1
Answer:
C
Step-by-step explanation:
A negative exponent raisies a number to 1/the power.
3^2=9
3^-2=1/9
Answer:
D. A point
Step-by-step explanation: