(4+r)4=8
16 + 4r = 8
4r = -8
r = -2
Hello,
1)
sin x=3/5==>x=126.869897...° (since in quadrant II)
2)==>cos x<0
cos x=-√(1-sin ² x)=-√(1-9/25)=-4/5
tan x=(3/5)/(-4/5)=-3/4
cotg x=-4/3 =1/tan x
sec x=1/cos x=-5/4
cosec x=1/sin x=5/3
Answer:

Step-by-step explanation:

When bases are same for exponents and it is multiplication, then add the exponents.


65 Bc absolute value of negative is positive
From my understanding of mathematics I got the 2nd answer to be correct. Sorry, if I got this wrong I'm new at this.