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RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1

March 1, 2019 by Phani 1 Comment

RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 is part of RBSE Solutions for Class 10 Maths. Here we have given Rajasthan Board RBSE Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Exercise 6.1.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 10
Subject Maths
Chapter Chapter 6
Chapter Name त्रिकोणमितीय अनुपात
Exercise Exercise 6.1
Number of Questions Solved 22
Category RBSE Solutions

Rajasthan Board RBSE Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1

निम्न के मान ज्ञात कीजिए-

प्रश्न 1.
2 sin 45° cos 45°
हल:
2 sin 45° . cos 45°
प्रश्न में sin 45° cos 45° के मान सारणी (RBSESolutions.com) से रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 1

RBSE Solutions

प्रश्न 2.
cos 45° cos 60° – sin 45° sin 60°
हल:
cos 45° cos 60° – sin 45° sin 60°
सारणी से मान रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 2

प्रश्न 3.
sin230° + 2 cos245° + 3 tan260°
हल:
sin230° + 2 cos245° + 3 tan260°
सारणी से मान रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 3

प्रश्न 4.
3 sin 60° – 4 sin360°
हल:
3 sin 60° – 4 sin360° (RBSESolutions.com)
सारणी से मान रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 4

प्रश्न 5.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 5
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 6

RBSE Solutions

प्रश्न 6.
4cot245° – sec260° + sin260° + cos290°
हल:
4cot245° – sec260° + sin260° + cos290°
सारणी से मान रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 7

प्रश्न 7.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 8
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 9
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 11

प्रश्न 8.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 12
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 13

प्रश्न 9.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 14
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 15
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 16

प्रश्न 10.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 17
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 18

RBSE Solutions

प्रश्न 11.
निम्न में x का मान ज्ञात (RBSESolutions.com) कीजिए-
(i) cos r = cos 60° cos 30° + sin 60° sin 30°
(ii) sin 2x = sin 60° c0s 30° – cos 60° – sin 30°
(iii) \(\sqrt{3}\) tan 2x = sin 30° + sin 45° cos 45° + 2 sin 90°
हल:
(i) cos x = cos 60° . cos 30° + sin 60° sin 30°
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 19
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 20

सिद्ध कीजिए-

प्रश्न 12.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 21
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 22

प्रश्न 13.
4 cot245° – sec260° – sin230° = -1 (RBSESolutions.com)
हल:
L.H.S. = 4 cot245° – sec260° – sin230°
सारणी से मान रखने पर
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 23
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 24

प्रश्न 14.
4sin 30° sin260° + 3cos 60° tan 45° = 2sec245° – cosec290°
हल:
L.H.S. = 4sin 30° sin260° + 3cos 60° tan 45°
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 25

प्रश्न 15.
cosec245° . sec230° sin390° cos 60° = \(\frac{4}{3}\)
हल:
L.H.S. = cosec245° . sec230° sin390° cos 60°
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 26

RBSE Solutions

प्रश्न 16.
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 27
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 28
∵ (i) व (ii) बराबर है
∴ L.H.S = R.H.S (इतीसिद्धम )

प्रश्न 17.
2(cos245° + tan260°) – 6(sin245° – tan 30°) = 6
हल:
L.H.S. = 2(cos245° + tan260°) – 6(sin245° – tan 30°)
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 29

प्रश्न 18.
(sec230° + cosec245°) (2 cos 60° + sin 90° + tan 45°)
हल:
L.H.S. = (sec230° + cosec245°) (2 cos 60° + sin 90° + tan 45°)
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 30

प्रश्न 19.
(1 – sin 45° + sin 30°) (1 + cos 45° + cos 60°) = \(\frac{7}{4}\)
हल:
L.H.S. = (1 – sin 45° + sin 30°) (1 + cos 45° + cos 60°)
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 31
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 32

प्रश्न 20.
cos20° – 2 cot2 30°+ 3 cosec290° = 2(sec245° – tan260°)
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 33

RBSE Solutions

प्रश्न 21.
यदि x = 30° हो, तो सिद्ध (RBSESolutions.com) कीजिए-
(i) sin 3x = 3 sin x – 4 sin2x
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 34
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 35
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 36
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 37
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 38

प्रश्न 22.
यदि A = 60° और B = 30° हो तो सिद्ध (RBSESolutions.com) कीजिए-
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 39
हल:
RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 40

RBSE Solutions

We hope the RBSE Solutions for Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Ex 6.1 help you. If you have any query regarding Rajasthan Board RBSE Class 10 Maths Chapter 6 त्रिकोणमितीय अनुपात Exercise 6.1, drop a comment below and we will get back to you at the earliest.

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