Prove that: cos 27°.tan 27°.tan 63°.cosec 63°= 1
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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
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