Newbie

## Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°. Q.7

• -1

How i solve the tricky question of introduction of  trigonometry of ncert class 10  please help me to find the ...Read more

Newbie

## If A, B and C are interior angles of a triangle ABC, then show that sin (B+C/2) = cos A/2. Q.6

• 0

Today i am solving the introduction of  trigonometry of exercise 8.3  and i try to solve but i did not ...Read more

Newbie

## If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A. Q.5

• 0

Introduction of trigonometry  of class 1o ncert is very tough for me  please help me  to solve the exercise 8.3 ...Read more

Newbie

## If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A. Q.3

• 0

In ncert class 10 introduction of  trigonometry  what is the best solution of the exercise 8.3 of question number 3 ...Read more

Newbie

## Show that: (ii) cos 38° cos 52° – sin 38° sin 52° = 0. Q.2(2)

• 0

Find the solution of  the ncert class 10 of introduction of  trigonometry  of exercise 8.2  please help me to solve ...Read more

Newbie

## Show that: (i) tan 48° tan 23° tan 42° tan 67° = 1. Q 2 (1)

• 0

Please help me to find out the best solution of ncert class 10 of the chapter introduction of  trigonometry. Give ...Read more

Newbie

## Evaluate. cosec 31° – sec 59°. Q 1 (4)

• 0

How i can solve the ncert class 10 question of introduction of trigonometry in a easiest way , please give ...Read more

Newbie

## Evaluate. cos 48° – sin 42° Q 1(3)

• 0

Sir today i am solving the question  of ncert class 10  of  introduction of trigonometry but i don’t know how ...Read more

Newbie

## . Evaluate. tan 26°/cot 64° Q 1 (2)

• 0

How i solve this introduction of trigonometry of ncert class 10 please help me to solve the exercise 8.3 question ...Read more

Newbie

## Evaluate.sin 18°/cos 72° Q 1 (1)

• 0

How can i solve this question of introduction of trigonometry of  ncert class 10 , please help me to evaluate ...Read more