Please help me please
2 answers:
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Answer:
The correct option is C.
Step-by-step explanation:
In a triangle, then sum of two smaller sides is greater than the length of third greatest side.
Let, in a triangle ABC, If the length of sides are , then
In option A,
Therefore option A is incorrect.
In option B,
Therefore option B is incorrect.
In option C,
Therefore option C is correct.
In option D,
Therefore option D is incorrect.
Answer:
Step-by-step explanation:
Since Θ is in fourth quadrant then cosΘ > 0, as is secΘ
Given
sinΘ = - , then
cosΘ =
= =
=
Hence
secΘ = =