if 10 theta = 1/ root 7
show that cosec ² theta - sec ²theta
upon cosec²theta + sec²theta =3/4
Answers
Answered by
2
Step-by-step explanation:
Compound interest as a repeated Simple Interest computation with a growing Principal. Use of this in computing Amount over a period of 2 or 3 years.
Answered by
1
Answer:
ANSWER
tanθ=
7
1
⇒cotθ=
7
∴sec
2
θ=(1+tan
2
θ)=1+
7
1
=
7
8
and cosec
2
θ=(1+cot
2
θ)=1+7=8.
∴
cosec
2
θ+sec
2
θ
cosec
2
θ−sec
2
θ
=
8+
7
8
8−
7
8
=
64
48
=
4
3
.
Step-by-step explanation:
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