Question
Simplify the expression
Solution
30e3is2ndgr+45e3tandgrs−2oc+60e3cos2dgr+45e3cotdgrs
Evaluate
sin(30degre×es)+tan(45degre×es)−(cosec(60degre×es)÷sec(30degre×es))+cos(60degre×es)+cot(45degre×es)
Remove the parentheses
sin×30degre×es+tan×45degre×es−(cosec×60degre×es÷(sec×30degre×es))+cos×60degre×es+cot×45degre×es
Rewrite the expression in exponential form
sin×30degre×es+tan×45degre×es−(cosec×60degre×es÷(sec×30degre×es))+cos×60degre×es+cot×45de3grs
Rewrite the expression in exponential form
sin×30degre×es+tan×45degre×es−(cosec×60degre×es÷(sec×30degre×es))+cos×60de3grs+cot×45de3grs
Rewrite the expression in exponential form
sin×30degre×es+tan×45de3grs−(cosec×60degre×es÷(sec×30degre×es))+cos×60de3grs+cot×45de3grs
Rewrite the expression in exponential form
sin×30de3grs+tan×45de3grs−(cosec×60degre×es÷(sec×30degre×es))+cos×60de3grs+cot×45de3grs
Rewrite the expression in exponential form
sin×30de3grs+tan×45de3grs−(cosec×60degre×es÷(se4c×30dgrs))+cos×60de3grs+cot×45de3grs
Dividing by an is the same as multiplying by a−n
sin×30de3grs+tan×45de3grs−(sc×30dgrscosec×60degre×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(s×30dgrsosec×60degre×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(30dgrsoec×60degre×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(30grsoec×60egre×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(30rsoec×60ere×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(30soec×60e×e×ese−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
sin×30de3grs+tan×45de3grs−(30oec×60e×e×e×e−4)+cos×60de3grs+cot×45de3grs
Rewrite the expression in exponential form
sin×30de3grs+tan×45de3grs−(30oe4c×60e−4)+cos×60de3grs+cot×45de3grs
Reduce the fraction
More Steps

Evaluate
30oe4c×60e−4
Multiply
More Steps

Evaluate
oe4c×60e−4
Multiply the terms with the same base by adding their exponents
oe4−4c×60
Subtract the numbers
oe0c×60
Any non-zero expression raised to the power of 0 equals 1
oc×60
30oc×60
Reduce the fraction
oc×2
Use the commutative property to reorder the terms
2oc
sin×30de3grs+tan×45de3grs−2oc+cos×60de3grs+cot×45de3grs
Multiply
More Steps

Multiply the terms
sin×30de3grs
Multiply the terms
s2in×30de3gr
Use the commutative property to reorder the terms
is2n×30de3gr
Multiply the numbers
30is2nde3gr
Multiply the numbers
30e3is2ndgr
30e3is2ndgr+tan×45de3grs−2oc+cos×60de3grs+cot×45de3grs
Multiply the terms
More Steps

Multiply the terms
tan×45de3grs
Use the commutative property to reorder the terms
45tande3grs
Multiply the numbers
45e3tandgrs
30e3is2ndgr+45e3tandgrs−2oc+cos×60de3grs+cot×45de3grs
Multiply
More Steps

Multiply the terms
cos×60de3grs
Multiply the terms
cos2×60de3gr
Use the commutative property to reorder the terms
60cos2de3gr
Multiply the numbers
60e3cos2dgr
30e3is2ndgr+45e3tandgrs−2oc+60e3cos2dgr+cot×45de3grs
Solution
More Steps

Multiply the terms
cot×45de3grs
Use the commutative property to reorder the terms
45cotde3grs
Multiply the numbers
45e3cotdgrs
30e3is2ndgr+45e3tandgrs−2oc+60e3cos2dgr+45e3cotdgrs
Show Solution
Find the excluded values
Find the excluded values
s=0,c=0,d=0,g=0,r=0
Evaluate
sin(30degre×es)+tan(45degre×es)−(cosec(60degre×es)÷sec(30degre×es))+cos(60degre×es)+cot(45degre×es)
To find the excluded values,set the denominators equal to 0
sc(30degre×es)=0
Remove the parentheses
sc×30degre×es=0
Simplify
More Steps

Evaluate
sc×30degre×es
Rewrite the expression in exponential form
sc×30de3grs
Multiply the terms
s2c×30de3gr
Use the commutative property to reorder the terms
30s2cde3gr
Multiply the numbers
30e3s2cdgr
30e3s2cdgr=0
Evaluate
s2cdgr=0
Separate the equation into 5 possible cases
s2=0c=0d=0g=0r=0
The only way a power can be 0 is when the base equals 0
s=0c=0d=0g=0r=0
Solution
s=0,c=0,d=0,g=0,r=0
Show Solution