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marshallmattah
24.12.2021 •
Mathematics
(1-sin^2x) (1+tan^2x)=1
![1 - sin {}^{2} x \times 1 + \tan( { }^{2} ) x = 1](/tpl/images/2605/0387/754eb.png)
Prove that :
Please help i need the right one
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Ответ:
L.H.S
R.H.S
Hence proved
Ответ:
Step-by-step explanation:
• Remember → 1 + tan²x = sec²x
• But sec²x → 1/cos²x
• Remember from the first identity of trignometry;
[ cos²x + sin²x = 1 ].
• Therefore: [ cos²x = 1 - sin²x ]
Hence proved.
Ответ:
31 mins
Step-by-step explanation:
22.7+8 3/10=31 mins