यदि x tan 45° sin 30° = cos 30° tan 30°, िो x बिाबि होगा (a)3 (b)1/2 (c)1/2 (d)1
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Step-by-step explanation:
x tan45 *sin30 = cos30 *tan30
= X*1 * 1/2= √3/2*1√3 ( values written from trigonometry tables)
= x*1/2 = 1/2
= x= 1/2*2/1
= x= 1 is your answer
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x tan 45° sin 30° = cos 30° tan30°
Values of
* tan 45° = 1
* sin 30° = 1/2
* cos 30° = root3/2
* tan 30° = 1/root3
Substituting.....
X × 1 × 1/2 = root3/2 × 1/root3
- - > root3 on LHS gets cancelled
X/2 = 1/2
- - > cross multiply......
2x = 2
X = 2/2
X = 1
Therefore option d - 1 is correct ✔️✔️
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