7Sec^2A - 7Tan^2A -5 = ?
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Hii friend,
7 Sec²A - 7 Tan²A -5
=> 7(Sec²A - Tan²A) -5
=> 7 × 1 -5 [ sec theta + Tan theta = 1]
=> 7-5
=> 2
Hence,
7 Sec²A - 7 Tan²A = 2.
HOPE IT WILL HELP YOU...... :-)
7 Sec²A - 7 Tan²A -5
=> 7(Sec²A - Tan²A) -5
=> 7 × 1 -5 [ sec theta + Tan theta = 1]
=> 7-5
=> 2
Hence,
7 Sec²A - 7 Tan²A = 2.
HOPE IT WILL HELP YOU...... :-)
janvi631:
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