✓sec-tan/sec+tan= 1-sin/cos prove
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Answered by
1
Answer:
√(1-Sin)/(1+Sin)
√(1-Sin)²/(1-Sin²)
√(1-Sin)²/Cos²
(1-Sin)/Cos
Answered by
0
Answer:
√(1/cos-sin/cos)/(1/cos+sin/cos)
=√1-Sin/1+sin
=√(1-sin) (1-sin) /(1+sin)(1-sin)
=√(1-sin) ²/1-sin²
=√(1-sin) ²/cos²
=1-sin/cos
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