1- 2- Question 10 Find the dot product for the pair of vectors. -5i + 7),...

Question

Question

1- Question 10 Find the dot product for the pair of vectors. -5i + 7), 61-51 OS -35 -30

2- D Question 11 Use the fundamental identities to find the value of the trigonometric function. Find sin 8, given that cos 8 --

Answer 1

Answer #1

2 Let ū = -51470 and J = 61.51 Then we have; uita (asi +73). (68-59) -65x6) + 7*(5) .30 - 35 E65 .

So second option is correct.

.

..

A Given that cos o = and as rano <0. so, sino <o TIF sino = 1-c0320 = - NTC si 17 81 .

So third option is correct.

Answer 2

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