Question

1 +
1
1
- sec? 27° +
- cosec 27° =
cos' 63°
sin 63°
[ ]
a) 1
b) 2
c)-1
d) 0​

Answer 1

Answer:

Value of sin63° cos27° + cos63°sin27°= 1

Step-by-step explanation:

Value of sin63° cos27° + cos63°sin27°

= sin( 63°+27°)

/* Since , SinA cosB + sinB cosA = sin(A+B) */

= sin 90°

= 1

Therefore,

Value of sin63° cos27° + cos63°sin27°= 1

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