Question

state whether the following answer 4th question

Answer 1

1.
false
because the identity of sin(a+b)=sinacosb+cosasinb
2.
true
yes the value of sin thi tha is increase by thitha
increase
3.
false
the value of cos thitha is decrease with thi tha decrease
4.
false
5.
true
because the value of tan 0 is 0 end cot is inverse of tan but the inverse of 0 is not define

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Answer 2

1.false
2.true
3.false
4.false
5.true
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