Math, asked by nikhithad, 7 months ago

10th MAT
8. sec 24 sin 66 + cos 31 cosec 59 - 2 sin?
5 - 2 sin? 85, find its value. ASA
Sol.

Answers

Answered by chintanzala

1

Step-by-step explanation:

cosec(90-24) (sin66)+(cos31) sec(90-59)-2sint+6-2sint=85,

cosec(66) sin(66)+cos(31) sec(31)-4sint+6=85

1+1+6-4sint=85

sint= 77/4

sint=19.22

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