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antiseptic1488 [7]
3 years ago
11

Verify that each equation is an identity. Show Work plzz!!

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
6 0

Answer:

Step-by-step explanation:

sin² x + cos² x = 1

\frac{1}{cosx} = sec x

( \frac{1}{cosx} )² = sec² x

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6 0
3 years ago
Ed has 28 blocks. Sue has 34 blocks who has more blocks? How many more?
Anna007 [38]

Answer:

Sue // 6 More blocks

Step-by-step explanation:

Sue has more blocks because 34>28.

34-28 is 6 so sue has 6 more.

3 0
3 years ago
Read 2 more answers
In the diagram below lines p and r are parallel. Line s is a Transversal that is not perpendicular to lines p and r
malfutka [58]

Answer: Any of the following angles are <u>not</u> congruent to angle 5.

  • angle 2
  • angle 4
  • angle 6
  • angle 8

The only exception being that if angle 5 is 90 degrees, then so are the remaining four angles shown above (in fact, all 8 angles are right angles).

========================================================

Explanation:

Angles 2 and 5 are supplementary since line p is parallel to line r. This means angle 2 and angle 5 add to 180 degrees. The two angles are only congruent if both are right angles (aka 90 degree angles); otherwise, they are not congruent angles.

Angle 2 = angle 4 because they are vertical angles. So because these two angles are congruent, and angle 2 does not have the same measure as angle 5, this consequently leads to angle 4 also not being the same measure as angle 5 (unless both are right angles).

Angle 2 = angle 8 because they are alternate interior angles. Following the same logic path as the last paragraph, we see that angles 8 and angle 5 aren't the same measure. Or we could note that angle 5 and angle 8 form a straight angle, so they must add to 180 degrees. The two angles are only congruent if they were 90 degrees each, or otherwise not congruent at all.

Similar logic can also show that angle 6 is not congruent to angle 5.

---------------------------

An alternative path is to find all the angles that are always congruent to angle 5 and they are...

  • angle 1 (corresponding angles)
  • angle 3 (alternate interior angles)
  • angle 7 (vertical angles)

And everything else is not congruent to angle 5.

6 0
3 years ago
Let f(x) = −x2 + ax + b. Determine the constants a and b such that f has a relative maximum at x = 3 and the relative maximum va
Elan Coil [88]

Answer:

Step-by-step explanation:

5 0
3 years ago
Can someone please help me with this math question?
Vika [28.1K]

Answer:

y = -1x - 3

or

y = -x - 3

Step-by-step explanation:

8 0
3 years ago
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